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1013916087 = 32940311981
BaseRepresentation
bin111100011011110…
…010000110110111
32121122212021101200
4330123302012313
54034030303322
6244335423543
734061100402
oct7433620667
92548767350
101013916087
11480369188
12243684bb3
131320a0362
1498930d39
155e02e8ac
hex3c6f21b7

1013916087 has 12 divisors (see below), whose sum is σ = 1464823464. Its totient is φ = 675815760.

The previous prime is 1013916083. The next prime is 1013916089. The reversal of 1013916087 is 7806193101.

1013916087 is a `hidden beast` number, since 10 + 1 + 39 + 1 + 608 + 7 = 666.

It is not a de Polignac number, because 1013916087 - 22 = 1013916083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013916083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78637 + ... + 90617.

It is an arithmetic number, because the mean of its divisors is an integer number (122068622).

Almost surely, 21013916087 is an apocalyptic number.

1013916087 is a deficient number, since it is larger than the sum of its proper divisors (450907377).

1013916087 is a wasteful number, since it uses less digits than its factorization.

1013916087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21390 (or 21387 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1013916087 is about 31842.0490389673. The cubic root of 1013916087 is about 1004.6173429966.

The spelling of 1013916087 in words is "one billion, thirteen million, nine hundred sixteen thousand, eighty-seven".

Divisors: 1 3 9 9403 11981 28209 35943 84627 107829 112657343 337972029 1013916087