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139458209676 = 22334933299477
BaseRepresentation
bin1000000111100001011…
…0110110011110001100
3111022222002020002010220
42001320112312132030
54241102300202201
6144022145231340
713034622136452
oct2017026663614
9438862202126
10139458209676
1154164584045
1223040332550
13101c65674c6
146a6d6b89d2
1539633a1036
hex20785b678c

139458209676 has 24 divisors (see below), whose sum is σ = 326334884400. Its totient is φ = 46352870592.

The previous prime is 139458209663. The next prime is 139458209677. The reversal of 139458209676 is 676902854931.

It is not an unprimeable number, because it can be changed into a prime (139458209677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16645551 + ... + 16653926.

It is an arithmetic number, because the mean of its divisors is an integer number (13597286850).

It is a 1-persistent number, because it is pandigital, but 2⋅139458209676 = 278916419352 is not.

Almost surely, 2139458209676 is an apocalyptic number.

It is an amenable number.

139458209676 is an abundant number, since it is smaller than the sum of its proper divisors (186876674724).

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

139458209676 is a wasteful number, since it uses less digits than its factorization.

139458209676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33299833 (or 33299831 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 139458209676 in words is "one hundred thirty-nine billion, four hundred fifty-eight million, two hundred nine thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 349 698 1047 1396 2094 4188 33299477 66598954 99898431 133197908 199796862 399593724 11621517473 23243034946 34864552419 46486069892 69729104838 139458209676