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139028902518 = 23112106498523
BaseRepresentation
bin1000000101111011000…
…1001011001001110110
3111021212011102000102210
42001132301023021312
54234212344340033
6143511411514250
713021160113212
oct2013661131166
9437764360383
10139028902518
1153a64211240
1222b405b8986
13101586343bc
146a2c685942
15393a84dd63
hex205ec4b276

139028902518 has 16 divisors (see below), whose sum is σ = 303335787456. Its totient is φ = 42129970440.

The previous prime is 139028902501. The next prime is 139028902541. The reversal of 139028902518 is 815209820931.

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, 1053249196 + ... + 1053249327.

It is an arithmetic number, because the mean of its divisors is an integer number (18958486716).

Almost surely, 2139028902518 is an apocalyptic number.

139028902518 is an abundant number, since it is smaller than the sum of its proper divisors (164306884938).

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

139028902518 is a wasteful number, since it uses less digits than its factorization.

139028902518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106498539.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 139028902518 in words is "one hundred thirty-nine billion, twenty-eight million, nine hundred two thousand, five hundred eighteen".

Divisors: 1 2 3 6 11 22 33 66 2106498523 4212997046 6319495569 12638991138 23171483753 46342967506 69514451259 139028902518