Search a number
-
+
20255051377080 = 2334513480889159
BaseRepresentation
bin1001001101011111111110…
…01001000110100110111000
32122201100211100121220110000
410212233333021012212320
510123324321123031310
6111025013034153000
74160244024660342
oct446577711064670
978640740556400
1020255051377080
1164aa1344aa693
122331693882760
13b3c073a4c640
145004c78a6292
15251d313a44c0
hex126bff2469b8

20255051377080 has 160 divisors (see below), whose sum is σ = 73316361333600. Its totient is φ = 4985858790144.

The previous prime is 20255051377073. The next prime is 20255051377087. The reversal of 20255051377080 is 8077315055202.

20255051377080 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 50 + 513 + 7 + 7 + 0 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (20255051377073) and next prime (20255051377087).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20255051377087) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 240402460 + ... + 240486699.

It is an arithmetic number, because the mean of its divisors is an integer number (458227258335).

Almost surely, 220255051377080 is an apocalyptic number.

20255051377080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20255051377080 is an abundant number, since it is smaller than the sum of its proper divisors (53061309956520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20255051377080 is a wasteful number, since it uses less digits than its factorization.

20255051377080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480889195 (or 480889182 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 20255051377080 in words is "twenty trillion, two hundred fifty-five billion, fifty-one million, three hundred seventy-seven thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 90 104 108 117 120 130 135 156 162 180 195 216 234 260 270 312 324 351 360 390 405 468 520 540 585 648 702 780 810 936 1053 1080 1170 1404 1560 1620 1755 2106 2340 2808 3240 3510 4212 4680 5265 7020 8424 10530 14040 21060 42120 480889159 961778318 1442667477 1923556636 2404445795 2885334954 3847113272 4328002431 4808891590 5770669908 6251559067 7213337385 8656004862 9617783180 11541339816 12503118134 12984007293 14426674770 17312009724 18754677201 19235566360 21640012155 25006236268 25968014586 28853349540 31257795335 34624019448 37509354402 38952021879 43280024310 50012472536 51936029172 56264031603 57706699080 62515590670 64920036465 75018708804 77904043758 86560048620 93773386005 103872058344 112528063206 125031181340 129840072930 150037417608 155808087516 168792094809 173120097240 187546772010 194760109395 225056126412 250062362680 259680145860 281320158015 311616175032 337584189618 375093544020 389520218790 450112252824 506376284427 519360291720 562640316030 675168379236 750187088040 779040437580 843960474045 1012752568854 1125280632060 1350336758472 1558080875160 1687920948090 2025505137708 2250561264120 2531881422135 3375841896180 4051010275416 5063762844270 6751683792360 10127525688540 20255051377080