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8183970138 = 234339314357
BaseRepresentation
bin1111001111100110…
…10111100101011010
3210010100120202111010
413213303113211122
5113230044021023
63432030514350
7406543412151
oct74763274532
923110522433
108183970138
11351a701993
1217049659b6
13a056a70a6
14578cb6598
1532d73a093
hex1e7cd795a

8183970138 has 16 divisors (see below), whose sum is σ = 16371764640. Its totient is φ = 2727352656.

The previous prime is 8183970133. The next prime is 8183970173. The reversal of 8183970138 is 8310793818.

It is not an unprimeable number, because it can be changed into a prime (8183970133) 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, 131145 + ... + 183212.

It is an arithmetic number, because the mean of its divisors is an integer number (1023235290).

Almost surely, 28183970138 is an apocalyptic number.

8183970138 is an abundant number, since it is smaller than the sum of its proper divisors (8187794502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8183970138 is a wasteful number, since it uses less digits than its factorization.

8183970138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318701.

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 8183970138 is about 90465.2979766275. The cubic root of 8183970138 is about 2015.2148061633.

The spelling of 8183970138 in words is "eight billion, one hundred eighty-three million, nine hundred seventy thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 4339 8678 13017 26034 314357 628714 943071 1886142 1363995023 2727990046 4091985069 8183970138