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137117729280 = 2935710125253
BaseRepresentation
bin111111110110011011…
…0101000001000000000
3111002220222012100121210
41333230312220020000
54221304114314110
6142554020450120
712622622316450
oct1775466501000
9432828170553
10137117729280
1153173424524
12226a8549940
13cc126bac6c
1468ca90dd60
153877b85520
hex1fecda8200

137117729280 has 320 divisors, whose sum is σ = 505949545728. Its totient is φ = 31029657600.

The previous prime is 137117729263. The next prime is 137117729293. The reversal of 137117729280 is 82927711731.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5417134 + ... + 5442386.

Almost surely, 2137117729280 is an apocalyptic number.

137117729280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137117729280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252974772864).

137117729280 is an abundant number, since it is smaller than the sum of its proper divisors (368831816448).

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

137117729280 is a wasteful number, since it uses less digits than its factorization.

137117729280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25387 (or 25371 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 48.

The spelling of 137117729280 in words is "one hundred thirty-seven billion, one hundred seventeen million, seven hundred twenty-nine thousand, two hundred eighty".