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136988999188 = 2252103657299
BaseRepresentation
bin111111110010100101…
…1100011111000010100
3111002120222222012010121
41333211023203320110
54221023140433223
6142533141401324
712616500165166
oct1774513437024
9432528865117
10136988999188
115310779a718
1222671409244
13cbc1b28502
1468b77a0936
15386b70815d
hex1fe52e3e14

136988999188 has 12 divisors (see below), whose sum is σ = 239735714400. Its totient is φ = 68493080792.

The previous prime is 136988999183. The next prime is 136988999201. The reversal of 136988999188 is 881999889631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136988999183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120238 + ... + 537061.

It is an arithmetic number, because the mean of its divisors is an integer number (19977976200).

Almost surely, 2136988999188 is an apocalyptic number.

It is an amenable number.

136988999188 is a deficient number, since it is larger than the sum of its proper divisors (102746715212).

136988999188 is a wasteful number, since it uses less digits than its factorization.

136988999188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709406 (or 709404 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 79.

The spelling of 136988999188 in words is "one hundred thirty-six billion, nine hundred eighty-eight million, nine hundred ninety-nine thousand, one hundred eighty-eight".

Divisors: 1 2 4 52103 104206 208412 657299 1314598 2629196 34247249797 68494499594 136988999188