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52900681460 = 22511240457643
BaseRepresentation
bin110001010001001000…
…000101011011110100
312001112201222001112112
4301101020011123310
51331320033301320
640145141110152
73551633242004
oct612110053364
9161481861475
1052900681460
1120487067a60
12a3043b8358
134cb09bb9a3
1427bba82004
15159936aec5
hexc512056f4

52900681460 has 24 divisors (see below), whose sum is σ = 121190652576. Its totient is φ = 19236611360.

The previous prime is 52900681459. The next prime is 52900681469. The reversal of 52900681460 is 6418600925.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52900681469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120228602 + ... + 120229041.

It is an arithmetic number, because the mean of its divisors is an integer number (5049610524).

Almost surely, 252900681460 is an apocalyptic number.

It is an amenable number.

52900681460 is an abundant number, since it is smaller than the sum of its proper divisors (68289971116).

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

52900681460 is a wasteful number, since it uses less digits than its factorization.

52900681460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240457663 (or 240457661 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 52900681460 in words is "fifty-two billion, nine hundred million, six hundred eighty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 240457643 480915286 961830572 1202288215 2404576430 2645034073 4809152860 5290068146 10580136292 13225170365 26450340730 52900681460