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1157557375079 = 7794095117927
BaseRepresentation
bin10000110110000011110…
…010111101000001100111
311002122212011102101000022
4100312003302331001213
5122431134142000304
62243435143505355
7146426231225540
oct20660362750147
94078764371008
101157557375079
11406a0aa62876
1216841375825b
1385207474271
14400517a34c7
152019da5cebe
hex10d83cbd067

1157557375079 has 16 divisors (see below), whose sum is σ = 1342944307200. Its totient is φ = 977237262144.

The previous prime is 1157557375067. The next prime is 1157557375109. The reversal of 1157557375079 is 9705737557511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1157557375079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157557375979) 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, 2332787 + ... + 2785140.

It is an arithmetic number, because the mean of its divisors is an integer number (83934019200).

Almost surely, 21157557375079 is an apocalyptic number.

1157557375079 is a deficient number, since it is larger than the sum of its proper divisors (185386932121).

1157557375079 is an equidigital number, since it uses as much as digits as its factorization.

1157557375079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118422.

The product of its (nonzero) digits is 40516875, while the sum is 62.

The spelling of 1157557375079 in words is "one trillion, one hundred fifty-seven billion, five hundred fifty-seven million, three hundred seventy-five thousand, seventy-nine".

Divisors: 1 7 79 409 553 2863 32311 226177 5117927 35825489 404316233 2093232143 2830213631 14652625001 165365339297 1157557375079