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1072916913 = 33127142571
BaseRepresentation
bin111111111100110…
…110100110110001
32202202212211022110
4333330312212301
54144131320123
6254244155533
735405433435
oct7774664661
92682784273
101072916913
115006a73a2
1225b398ba9
1314138a5a3
14a26cc9c5
15642d6493
hex3ff369b1

1072916913 has 16 divisors (see below), whose sum is σ = 1482186752. Its totient is φ = 689634000.

The previous prime is 1072916899. The next prime is 1072916917. The reversal of 1072916913 is 3196192701.

It is a happy number.

It is not a de Polignac number, because 1072916913 - 28 = 1072916657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072916917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3918 + ... + 46488.

It is an arithmetic number, because the mean of its divisors is an integer number (92636672).

Almost surely, 21072916913 is an apocalyptic number.

It is an amenable number.

1072916913 is a deficient number, since it is larger than the sum of its proper divisors (409269839).

1072916913 is a wasteful number, since it uses less digits than its factorization.

1072916913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42876.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 1072916913 is about 32755.4104385825. The cubic root of 1072916913 is about 1023.7377006726.

The spelling of 1072916913 in words is "one billion, seventy-two million, nine hundred sixteen thousand, nine hundred thirteen".

Divisors: 1 3 31 93 271 813 8401 25203 42571 127713 1319701 3959103 11536741 34610223 357638971 1072916913