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52786901260 = 22516364125261
BaseRepresentation
bin110001001010010110…
…000011000100001100
312001020210212102110001
4301022112003010030
51331101421320020
640125554254044
73546052154212
oct611226030414
9161223772401
1052786901260
1120428914235
12a292287324
134c93261b22
1427aa904cb2
15158e39350a
hexc4a58310c

52786901260 has 48 divisors (see below), whose sum is σ = 111710989152. Its totient is φ = 20951654400.

The previous prime is 52786901201. The next prime is 52786901267. The reversal of 52786901260 is 6210968725.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52786901260.

It is not an unprimeable number, because it can be changed into a prime (52786901267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077030 + ... + 2102290.

It is an arithmetic number, because the mean of its divisors is an integer number (2327312274).

Almost surely, 252786901260 is an apocalyptic number.

It is an amenable number.

52786901260 is an abundant number, since it is smaller than the sum of its proper divisors (58924087892).

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

52786901260 is a wasteful number, since it uses less digits than its factorization.

52786901260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26074 (or 26072 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 52786901260 in words is "fifty-two billion, seven hundred eighty-six million, nine hundred one thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 163 326 641 652 815 1282 1630 2564 3205 3260 6410 12820 25261 50522 101044 104483 126305 208966 252610 417932 505220 522415 1044830 2089660 4117543 8235086 16192301 16470172 20587715 32384602 41175430 64769204 80961505 82350860 161923010 323846020 2639345063 5278690126 10557380252 13196725315 26393450630 52786901260