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2164529157 = 37103072817
BaseRepresentation
bin1000000100000100…
…0001100000000101
312120211221110210120
42001001001200011
513413104413112
6554441212153
7104432123430
oct20101014005
95524843716
102164529157
11a1090287a
12504a91059
132865924ab
14167686817
15ca061e8c
hex81041805

2164529157 has 8 divisors (see below), whose sum is σ = 3298330176. Its totient is φ = 1236873792.

The previous prime is 2164529123. The next prime is 2164529177. The reversal of 2164529157 is 7519254612.

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

It is not a de Polignac number, because 2164529157 - 26 = 2164529093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164529177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51536388 + ... + 51536429.

It is an arithmetic number, because the mean of its divisors is an integer number (412291272).

Almost surely, 22164529157 is an apocalyptic number.

It is an amenable number.

2164529157 is a deficient number, since it is larger than the sum of its proper divisors (1133801019).

2164529157 is a wasteful number, since it uses less digits than its factorization.

2164529157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103072827.

The product of its digits is 151200, while the sum is 42.

The square root of 2164529157 is about 46524.5006098937. The cubic root of 2164529157 is about 1293.5636807557.

The spelling of 2164529157 in words is "two billion, one hundred sixty-four million, five hundred twenty-nine thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 103072817 309218451 721509719 2164529157