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10161665730 = 2335140926711
BaseRepresentation
bin10010111011010111…
…01011011011000010
3222020011222002211000
421131223223123002
5131302341300410
64400155432430
7506546506416
oct113553533302
928204862730
1010161665730
114344aa4957
121b77155716
13c5c342178
146c5806d46
153e7193dc0
hex25daeb6c2

10161665730 has 64 divisors (see below), whose sum is σ = 27118022400. Its totient is φ = 2707752960.

The previous prime is 10161665713. The next prime is 10161665737. The reversal of 10161665730 is 3756616101.

10161665730 is a `hidden beast` number, since 1 + 0 + 1 + 616 + 6 + 5 + 7 + 30 = 666.

It is not an unprimeable number, because it can be changed into a prime (10161665737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367075 + ... + 393785.

It is an arithmetic number, because the mean of its divisors is an integer number (423719100).

Almost surely, 210161665730 is an apocalyptic number.

10161665730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10161665730 is an abundant number, since it is smaller than the sum of its proper divisors (16956356670).

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

10161665730 is a wasteful number, since it uses less digits than its factorization.

10161665730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28136 (or 28130 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 10161665730 in words is "ten billion, one hundred sixty-one million, six hundred sixty-five thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 1409 2818 4227 7045 8454 12681 14090 21135 25362 26711 38043 42270 53422 63405 76086 80133 126810 133555 160266 190215 240399 267110 380430 400665 480798 721197 801330 1201995 1442394 2403990 3605985 7211970 37635799 75271598 112907397 188178995 225814794 338722191 376357990 564536985 677444382 1016166573 1129073970 1693610955 2032333146 3387221910 5080832865 10161665730