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21604060300 = 2252415269283
BaseRepresentation
bin10100000111101100…
…111100110010001100
32001202121211222022111
4110013230330302030
5323221114412200
613531425553404
71363240324354
oct240754746214
961677758274
1021604060300
119186a24299
12422b1a5864
132063b02844
14108d355b64
158669bd0ba
hex507b3cc8c

21604060300 has 36 divisors (see below), whose sum is σ = 48024254376. Its totient is φ = 8430851200.

The previous prime is 21604060273. The next prime is 21604060349. The reversal of 21604060300 is 306040612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2630542 + ... + 2638741.

It is an arithmetic number, because the mean of its divisors is an integer number (1334007066).

Almost surely, 221604060300 is an apocalyptic number.

21604060300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21604060300 is an abundant number, since it is smaller than the sum of its proper divisors (26420194076).

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

21604060300 is a wasteful number, since it uses less digits than its factorization.

21604060300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269338 (or 5269331 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 21604060300 in words is "twenty-one billion, six hundred four million, sixty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 164 205 410 820 1025 2050 4100 5269283 10538566 21077132 26346415 52692830 105385660 131732075 216040603 263464150 432081206 526928300 864162412 1080203015 2160406030 4320812060 5401015075 10802030150 21604060300