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136819882 = 268409941
BaseRepresentation
bin10000010011110…
…11010010101010
3100112110011121001
420021323102222
5240011214012
621324305214
73250643533
oct1011732252
9315404531
10136819882
117025a891
12399a220a
1322465a14
141425768a
15c029357
hex827b4aa

136819882 has 4 divisors (see below), whose sum is σ = 205229826. Its totient is φ = 68409940.

The previous prime is 136819877. The next prime is 136819909. The reversal of 136819882 is 288918631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96255721 + 40564161 = 9811^2 + 6369^2 .

It is a super-2 number, since 2×1368198822 = 37439360220987848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34204969 + ... + 34204972.

Almost surely, 2136819882 is an apocalyptic number.

136819882 is a deficient number, since it is larger than the sum of its proper divisors (68409944).

136819882 is an equidigital number, since it uses as much as digits as its factorization.

136819882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68409943.

The product of its digits is 165888, while the sum is 46.

The square root of 136819882 is about 11697.0031204578. The cubic root of 136819882 is about 515.2876540490.

The spelling of 136819882 in words is "one hundred thirty-six million, eight hundred nineteen thousand, eight hundred eighty-two".

Divisors: 1 2 68409941 136819882