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3115125040 = 24538939063
BaseRepresentation
bin1011100110101101…
…0000100100110000
322001002122202012111
42321223100210300
522334433000130
61233035535104
7140124061126
oct27153204460
98032582174
103115125040
111359452605
1272b2ba494
133a84c2571
14217a13916
1513373502a
hexb9ad0930

3115125040 has 20 divisors (see below), whose sum is σ = 7242665904. Its totient is φ = 1246049984.

The previous prime is 3115125023. The next prime is 3115125049. The reversal of 3115125040 is 405215113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (3115125049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19469452 + ... + 19469611.

Almost surely, 23115125040 is an apocalyptic number.

It is an amenable number.

3115125040 is an abundant number, since it is smaller than the sum of its proper divisors (4127540864).

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

3115125040 is a wasteful number, since it uses less digits than its factorization.

3115125040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38939076 (or 38939070 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 3115125040 is about 55813.3052237547. The cubic root of 3115125040 is about 1460.4672677132.

The spelling of 3115125040 in words is "three billion, one hundred fifteen million, one hundred twenty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 38939063 77878126 155756252 194695315 311512504 389390630 623025008 778781260 1557562520 3115125040