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137806080 = 2835172111
BaseRepresentation
bin10000011011011…
…00000100000000
3100121022021101220
420031230010000
5240234243310
621401355040
73262221666
oct1015540400
9317267356
10137806080
1170873825
123a198a80
132271c879
1414432c36
15c171670
hex836c100

137806080 has 144 divisors (see below), whose sum is σ = 466228224. Its totient is φ = 34570240.

The previous prime is 137806079. The next prime is 137806121. The reversal of 137806080 is 80608731.

137806080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 64225 + ... + 66335.

It is an arithmetic number, because the mean of its divisors is an integer number (3237696).

Almost surely, 2137806080 is an apocalyptic number.

137806080 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 137806080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233114112).

137806080 is an abundant number, since it is smaller than the sum of its proper divisors (328422144).

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

137806080 is a wasteful number, since it uses less digits than its factorization.

137806080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2138 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 137806080 is about 11739.0834395195. The cubic root of 137806080 is about 516.5227560808.

The spelling of 137806080 in words is "one hundred thirty-seven million, eight hundred six thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 240 255 256 272 320 340 384 408 480 510 544 640 680 768 816 960 1020 1088 1280 1360 1632 1920 2040 2111 2176 2720 3264 3840 4080 4222 4352 5440 6333 6528 8160 8444 10555 10880 12666 13056 16320 16888 21110 21760 25332 31665 32640 33776 35887 42220 50664 63330 65280 67552 71774 84440 101328 107661 126660 135104 143548 168880 179435 202656 215322 253320 270208 287096 337760 358870 405312 430644 506640 538305 540416 574192 675520 717740 810624 861288 1013280 1076610 1148384 1351040 1435480 1621248 1722576 2026560 2153220 2296768 2702080 2870960 3445152 4053120 4306440 4593536 5741920 6890304 8106240 8612880 9187072 11483840 13780608 17225760 22967680 27561216 34451520 45935360 68903040 137806080