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42881000525 = 5211793375857
BaseRepresentation
bin100111111011111010…
…000010010001001101
311002200110011112020122
4213323322002101031
51200310014004100
631411012354325
73045426330146
oct477372022115
9132613145218
1042881000525
1117205230410
1283889159a5
134074c003bc
14210b078acd
1511ae8c1985
hex9fbe8244d

42881000525 has 48 divisors (see below), whose sum is σ = 58924919040. Its totient is φ = 30694809600.

The previous prime is 42881000509. The next prime is 42881000531. The reversal of 42881000525 is 52500018824.

It is a happy number.

It is not a de Polignac number, because 42881000525 - 24 = 42881000509 is a prime.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 7318397 + ... + 7324253.

It is an arithmetic number, because the mean of its divisors is an integer number (1227602480).

Almost surely, 242881000525 is an apocalyptic number.

It is an amenable number.

42881000525 is a deficient number, since it is larger than the sum of its proper divisors (16043918515).

42881000525 is a wasteful number, since it uses less digits than its factorization.

42881000525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6289 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The spelling of 42881000525 in words is "forty-two billion, eight hundred eighty-one million, five hundred twenty-five", and thus it is an aban number.

Divisors: 1 5 11 25 55 79 275 337 395 869 1685 1975 3707 4345 5857 8425 18535 21725 26623 29285 64427 92675 133115 146425 292853 322135 462703 665575 1464265 1610675 1973809 2313515 5089733 7321325 9869045 11567575 21711899 25448665 49345225 108559495 127243325 155930911 542797475 779654555 1715240021 3898272775 8576200105 42881000525