Search a number
-
+
51143228160 = 283513318549
BaseRepresentation
bin101111101000010111…
…111011101100000000
311220000021000011211120
4233220113323230000
51314220131300120
635254520512240
73460243160313
oct575027735400
9156007004746
1051143228160
111a765023312
129ab391b680
134a908776ab
1426924c297a
1514e4e19140
hexbe85fbb00

51143228160 has 72 divisors (see below), whose sum is σ = 163338697200. Its totient is φ = 13638193152.

The previous prime is 51143228141. The next prime is 51143228161. The reversal of 51143228160 is 6182234115.

It is not an unprimeable number, because it can be changed into a prime (51143228161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6655435 + ... + 6663114.

Almost surely, 251143228160 is an apocalyptic number.

It is an amenable number.

51143228160 is an abundant number, since it is smaller than the sum of its proper divisors (112195469040).

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

51143228160 is a wasteful number, since it uses less digits than its factorization.

51143228160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318573 (or 13318559 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 51143228160 in words is "fifty-one billion, one hundred forty-three million, two hundred twenty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 13318549 26637098 39955647 53274196 66592745 79911294 106548392 133185490 159822588 199778235 213096784 266370980 319645176 399556470 426193568 532741960 639290352 799112940 852387136 1065483920 1278580704 1598225880 1704774272 2130967840 2557161408 3196451760 3409548544 4261935680 5114322816 6392903520 8523871360 10228645632 12785807040 17047742720 25571614080 51143228160