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137916680 = 235113071021
BaseRepresentation
bin10000011100001…
…11000100001000
3100121111220010012
420032013010020
5240301313210
621404011052
73263162306
oct1016070410
9317456105
10137916680
1170939930
123a230a88
132275b005
1414461276
15c194305
hex8387108

137916680 has 64 divisors (see below), whose sum is σ = 339958080. Its totient is φ = 49939200.

The previous prime is 137916677. The next prime is 137916697. The reversal of 137916680 is 86619731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134570 + ... + 135590.

It is an arithmetic number, because the mean of its divisors is an integer number (5311845).

Almost surely, 2137916680 is an apocalyptic number.

137916680 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 137916680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169979040).

137916680 is an abundant number, since it is smaller than the sum of its proper divisors (202041400).

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

137916680 is a wasteful number, since it uses less digits than its factorization.

137916680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 137916680 is about 11743.7932543110. The cubic root of 137916680 is about 516.6609022365.

The spelling of 137916680 in words is "one hundred thirty-seven million, nine hundred sixteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 307 440 614 1021 1228 1535 2042 2456 3070 3377 4084 5105 6140 6754 8168 10210 11231 12280 13508 16885 20420 22462 27016 33770 40840 44924 56155 67540 89848 112310 135080 224620 313447 449240 626894 1253788 1567235 2507576 3134470 3447917 6268940 6895834 12537880 13791668 17239585 27583336 34479170 68958340 137916680