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129900682 = 2193418439
BaseRepresentation
bin1111011111000…
…10000010001010
3100001102122020101
413233202002022
5231223310212
620520120014
73135065122
oct757420212
9301378211
10129900682
116736433a
123760600a
1320bb2512
1413375c82
15b60e157
hex7be208a

129900682 has 8 divisors (see below), whose sum is σ = 205106400. Its totient is φ = 61531884.

The previous prime is 129900649. The next prime is 129900707. The reversal of 129900682 is 286009921.

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

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 in 3 ways as a sum of consecutive naturals, for example, 1709182 + ... + 1709257.

It is an arithmetic number, because the mean of its divisors is an integer number (25638300).

Almost surely, 2129900682 is an apocalyptic number.

129900682 is a deficient number, since it is larger than the sum of its proper divisors (75205718).

129900682 is a wasteful number, since it uses less digits than its factorization.

129900682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418460.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 129900682 is about 11397.3980363941. The cubic root of 129900682 is about 506.4506626769.

The spelling of 129900682 in words is "one hundred twenty-nine million, nine hundred thousand, six hundred eighty-two".

Divisors: 1 2 19 38 3418439 6836878 64950341 129900682