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139741755123 = 31919009128971
BaseRepresentation
bin1000001000100101000…
…0011111011011110011
3111100200211202200101010
42002021100133123303
54242142342130443
6144110234442003
713044634214535
oct2021120373363
9440624680333
10139741755123
115429a639a23
12230bb293303
1310240223889
146a99207855
15397d20e733
hex208941f6f3

139741755123 has 16 divisors (see below), whose sum is σ = 196140617600. Its totient is φ = 88252623360.

The previous prime is 139741755121. The next prime is 139741755133. The reversal of 139741755123 is 321557147931.

It is not a de Polignac number, because 139741755123 - 21 = 139741755121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139741755121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019028 + ... + 1147998.

It is an arithmetic number, because the mean of its divisors is an integer number (12258788600).

Almost surely, 2139741755123 is an apocalyptic number.

139741755123 is a deficient number, since it is larger than the sum of its proper divisors (56398862477).

139741755123 is a wasteful number, since it uses less digits than its factorization.

139741755123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148002.

The product of its digits is 793800, while the sum is 48.

The spelling of 139741755123 in words is "one hundred thirty-nine billion, seven hundred forty-one million, seven hundred fifty-five thousand, one hundred twenty-three".

Divisors: 1 3 19 57 19009 57027 128971 361171 386913 1083513 2450449 7351347 2451609739 7354829217 46580585041 139741755123