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106155161 = 715165023
BaseRepresentation
bin1100101001111…
…00110010011001
321101202020111122
412110330302121
5204133431121
614311135025
72426206160
oct624746231
9241666448
10106155161
1154a15a42
122b674475
1318cba308
14101543d7
1594bd5ab
hex653cc99

106155161 has 4 divisors (see below), whose sum is σ = 121320192. Its totient is φ = 90990132.

The previous prime is 106155139. The next prime is 106155163. The reversal of 106155161 is 161551601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 106155161 - 222 = 101960857 is a prime.

It is a super-2 number, since 2×1061551612 = 22537836413871842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106155161.

It is not an unprimeable number, because it can be changed into a prime (106155163) 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, 7582505 + ... + 7582518.

It is an arithmetic number, because the mean of its divisors is an integer number (30330048).

Almost surely, 2106155161 is an apocalyptic number.

It is an amenable number.

106155161 is a deficient number, since it is larger than the sum of its proper divisors (15165031).

106155161 is an equidigital number, since it uses as much as digits as its factorization.

106155161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15165030.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 106155161 is about 10303.1626697825. The cubic root of 106155161 is about 473.4931543334.

The spelling of 106155161 in words is "one hundred six million, one hundred fifty-five thousand, one hundred sixty-one".

Divisors: 1 7 15165023 106155161