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80189890200 = 23325276364277
BaseRepresentation
bin100101010101110110…
…0001001111010011000
321122222120102111101100
41022223230021322120
52303212102441300
6100501055351400
75536115551230
oct1125354117230
9248876374340
1080189890200
1131010114432
121365b522560
13773c58c594
143c4a088cc0
152144ecc700
hex12abb09e98

80189890200 has 144 divisors (see below), whose sum is σ = 307776484080. Its totient is φ = 18329114880.

The previous prime is 80189890199. The next prime is 80189890201. The reversal of 80189890200 is 209898108.

It is an interprime number because it is at equal distance from previous prime (80189890199) and next prime (80189890201).

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 (80189890201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3169539 + ... + 3194738.

It is an arithmetic number, because the mean of its divisors is an integer number (2137336695).

Almost surely, 280189890200 is an apocalyptic number.

It is an amenable number.

80189890200 is an abundant number, since it is smaller than the sum of its proper divisors (227586593880).

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

80189890200 is a wasteful number, since it uses less digits than its factorization.

80189890200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364306 (or 6364294 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 80189890200 in words is "eighty billion, one hundred eighty-nine million, eight hundred ninety thousand, two hundred".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 28 30 35 36 40 42 45 50 56 60 63 70 72 75 84 90 100 105 120 126 140 150 168 175 180 200 210 225 252 280 300 315 350 360 420 450 504 525 600 630 700 840 900 1050 1260 1400 1575 1800 2100 2520 3150 4200 6300 12600 6364277 12728554 19092831 25457108 31821385 38185662 44549939 50914216 57278493 63642770 76371324 89099878 95464155 114556986 127285540 133649817 152742648 159106925 178199756 190928310 222749695 229113972 254571080 267299634 286392465 318213850 356399512 381856620 400949451 445499390 458227944 477320775 534599268 572784930 636427700 668249085 763713240 801898902 890998780 954641550 1069198536 1113748475 1145569860 1272855400 1336498170 1431962325 1603797804 1781997560 1909283100 2004747255 2227496950 2291139720 2672996340 2863924650 3207595608 3341245425 3818566200 4009494510 4454993900 5345992680 5727849300 6682490850 8018989020 8909987800 10023736275 11455698600 13364981700 16037978040 20047472550 26729963400 40094945100 80189890200