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139236981330 = 2354641232711
BaseRepresentation
bin1000000110101100101…
…0111011101001010010
3111022101122221111220110
42001223022323221102
54240124131400310
6143544203422150
713026264546036
oct2015312735122
9438348844813
10139236981330
11540607119a7
1222b9a224956
131018c789965
146a4c16c1c6
15394dc51d20
hex206b2bba52

139236981330 has 16 divisors (see below), whose sum is σ = 334168755264. Its totient is φ = 37129861680.

The previous prime is 139236981311. The next prime is 139236981361. The reversal of 139236981330 is 33189632931.

It is a self number, because there is not a number n which added to its sum of digits gives 139236981330.

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, 2320616326 + ... + 2320616385.

It is an arithmetic number, because the mean of its divisors is an integer number (20885547204).

Almost surely, 2139236981330 is an apocalyptic number.

139236981330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139236981330 is an abundant number, since it is smaller than the sum of its proper divisors (194931773934).

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

139236981330 is a wasteful number, since it uses less digits than its factorization.

139236981330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641232721.

The product of its (nonzero) digits is 629856, while the sum is 48.

The spelling of 139236981330 in words is "one hundred thirty-nine billion, two hundred thirty-six million, nine hundred eighty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4641232711 9282465422 13923698133 23206163555 27847396266 46412327110 69618490665 139236981330