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2158112967 = 31937861631
BaseRepresentation
bin1000000010100010…
…0011000011000111
312120101212111102220
42000220203003013
513404434103332
6554051503423
7104323441353
oct20050430307
95511774386
102158112967
11a0822023a
125028b7b73
13285156c2a
14166896463
15c96e5d2c
hex80a230c7

2158112967 has 8 divisors (see below), whose sum is σ = 3028930560. Its totient is φ = 1363018680.

The previous prime is 2158112903. The next prime is 2158112969. The reversal of 2158112967 is 7692118512.

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

It is not a de Polignac number, because 2158112967 - 26 = 2158112903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158112969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18930759 + ... + 18930872.

It is an arithmetic number, because the mean of its divisors is an integer number (378616320).

Almost surely, 22158112967 is an apocalyptic number.

2158112967 is a deficient number, since it is larger than the sum of its proper divisors (870817593).

2158112967 is a wasteful number, since it uses less digits than its factorization.

2158112967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37861653.

The product of its digits is 60480, while the sum is 42.

The square root of 2158112967 is about 46455.4944758960. The cubic root of 2158112967 is about 1292.2842701453.

The spelling of 2158112967 in words is "two billion, one hundred fifty-eight million, one hundred twelve thousand, nine hundred sixty-seven".

Divisors: 1 3 19 57 37861631 113584893 719370989 2158112967