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11116562157 = 321724273957
BaseRepresentation
bin10100101101001100…
…10100011011101101
31001200201202212110100
422112212110123231
5140231314442112
65035030301313
7542323135131
oct122646243355
931621685410
1011116562157
114795011758
1221a2ab7839
13108211983c
147765733c1
15450e162dc
hex2969946ed

11116562157 has 18 divisors (see below), whose sum is σ = 17057366378. Its totient is φ = 6975096192.

The previous prime is 11116562131. The next prime is 11116562159. The reversal of 11116562157 is 75126561111.

11116562157 is a `hidden beast` number, since 1 + 11 + 16 + 5 + 621 + 5 + 7 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6745501161 + 4371060996 = 82131^2 + 66114^2 .

It is a de Polignac number, because none of the positive numbers 2k-11116562157 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 (11116562159) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2134378 + ... + 2139579.

Almost surely, 211116562157 is an apocalyptic number.

11116562157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11116562157 is a deficient number, since it is larger than the sum of its proper divisors (5940804221).

11116562157 is a wasteful number, since it uses less digits than its factorization.

11116562157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273997 (or 4273977 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

The spelling of 11116562157 in words is "eleven billion, one hundred sixteen million, five hundred sixty-two thousand, one hundred fifty-seven".

Divisors: 1 3 9 17 51 153 289 867 2601 4273957 12821871 38465613 72657269 217971807 653915421 1235173573 3705520719 11116562157