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138771540074 = 2432576278687
BaseRepresentation
bin1000000100111101101…
…1011010100001101010
3111021012020010122112102
42001033123122201222
54233201003240244
6143430055413402
713011613425326
oct2011733324152
9437166118472
10138771540074
1153941a0a002
1222a8a384262
131011721482b
146a06410986
153922e6354e
hex204f6da86a

138771540074 has 16 divisors (see below), whose sum is σ = 213826998528. Its totient is φ = 67508431872.

The previous prime is 138771540049. The next prime is 138771540119. The reversal of 138771540074 is 470045177831.

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, 3117242 + ... + 3161445.

It is an arithmetic number, because the mean of its divisors is an integer number (13364187408).

Almost surely, 2138771540074 is an apocalyptic number.

138771540074 is a deficient number, since it is larger than the sum of its proper divisors (75055458454).

138771540074 is a wasteful number, since it uses less digits than its factorization.

138771540074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6278989.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 138771540074 in words is "one hundred thirty-eight billion, seven hundred seventy-one million, five hundred forty thousand, seventy-four".

Divisors: 1 2 43 86 257 514 11051 22102 6278687 12557374 269983541 539967082 1613622559 3227245118 69385770037 138771540074