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138107700740678 = 2443782331992481
BaseRepresentation
bin11111011001101110110100…
…011100011000001001000110
3200002222222010010100012011112
4133121232310130120021012
5121100224032342200203
61205421445110405022
741042644400003354
oct3731566434301106
9602888103305145
10138107700740678
1140007168675a59
12135a6245660772
135c0a667200266
14261663c5067d4
1510e777182e6d8
hex7d9bb4718246

138107700740678 has 16 divisors (see below), whose sum is σ = 207631942601616. Its totient is φ = 68897057349120.

The previous prime is 138107700740663. The next prime is 138107700740699. The reversal of 138107700740678 is 876047007701831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68318198 + ... + 70310678.

It is an arithmetic number, because the mean of its divisors is an integer number (12976996412601).

Almost surely, 2138107700740678 is an apocalyptic number.

138107700740678 is a deficient number, since it is larger than the sum of its proper divisors (69524241860938).

138107700740678 is a wasteful number, since it uses less digits than its factorization.

138107700740678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071159.

The product of its (nonzero) digits is 11063808, while the sum is 59.

The spelling of 138107700740678 in words is "one hundred thirty-eight trillion, one hundred seven billion, seven hundred million, seven hundred forty thousand, six hundred seventy-eight".

Divisors: 1 2 443 886 78233 156466 1992481 3984962 34657219 69314438 882669083 1765338166 155877766073 311755532146 69053850370339 138107700740678