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160139551 = 11131119857
BaseRepresentation
bin10011000101110…
…00100100011111
3102011022221011111
421202320210133
5311443431201
623520202451
73653110105
oct1142704437
9364287144
10160139551
1182438240
1245769427
132723c140
14173a7c75
15e0d3b51
hex98b891f

160139551 has 8 divisors (see below), whose sum is σ = 188136144. Its totient is φ = 134382720.

The previous prime is 160139549. The next prime is 160139621. The reversal of 160139551 is 155931061.

160139551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160139551 - 21 = 160139549 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 (160139351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559786 + ... + 560071.

It is an arithmetic number, because the mean of its divisors is an integer number (23517018).

Almost surely, 2160139551 is an apocalyptic number.

160139551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

160139551 is a deficient number, since it is larger than the sum of its proper divisors (27996593).

160139551 is a wasteful number, since it uses less digits than its factorization.

160139551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119881.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 160139551 is about 12654.6256760127. The cubic root of 160139551 is about 543.0413106595.

The spelling of 160139551 in words is "one hundred sixty million, one hundred thirty-nine thousand, five hundred fifty-one".

Divisors: 1 11 13 143 1119857 12318427 14558141 160139551