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42523031660 = 2252126151583
BaseRepresentation
bin100111100110100100…
…011111100001101100
311001202111120211021112
4213212210133201230
51144041344003120
631311304051152
73033521543144
oct474644374154
9131674524245
1042523031660
111704116307a
1282a8a63ab8
1340189b6cc5
1420b56d5924
15118d261bc5
hex9e691f86c

42523031660 has 12 divisors (see below), whose sum is σ = 89298366528. Its totient is φ = 17009212656.

The previous prime is 42523031657. The next prime is 42523031687. The reversal of 42523031660 is 6613032524.

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 3 ways as a sum of consecutive naturals, for example, 1063075772 + ... + 1063075811.

It is an arithmetic number, because the mean of its divisors is an integer number (7441530544).

Almost surely, 242523031660 is an apocalyptic number.

It is an amenable number.

42523031660 is an abundant number, since it is smaller than the sum of its proper divisors (46775334868).

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

42523031660 is a wasteful number, since it uses less digits than its factorization.

42523031660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126151592 (or 2126151590 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 42523031660 in words is "forty-two billion, five hundred twenty-three million, thirty-one thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 2126151583 4252303166 8504606332 10630757915 21261515830 42523031660