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9013137908 = 2227740919889
BaseRepresentation
bin10000110010011100…
…11001000111110100
3212021010210211211112
420121032121013310
5121424330403113
64050210454152
7436232256665
oct103116310764
925233724745
109013137908
113905754a05
1218b6594358
13b084001c8
1461707536c
1537b4245a8
hex2193991f4

9013137908 has 24 divisors (see below), whose sum is σ = 15869435400. Its totient is φ = 4479095808.

The previous prime is 9013137907. The next prime is 9013137919. The reversal of 9013137908 is 8097313109.

It can be written as a sum of positive squares in 4 ways, for example, as 4005877264 + 5007260644 = 63292^2 + 70762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9013137907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443228 + ... + 463116.

It is an arithmetic number, because the mean of its divisors is an integer number (661226475).

Almost surely, 29013137908 is an apocalyptic number.

It is an amenable number.

9013137908 is a deficient number, since it is larger than the sum of its proper divisors (6856297492).

9013137908 is a wasteful number, since it uses less digits than its factorization.

9013137908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20579 (or 20577 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 9013137908 is about 94937.5474088098. The cubic root of 9013137908 is about 2081.0954772441.

The spelling of 9013137908 in words is "nine billion, thirteen million, one hundred thirty-seven thousand, nine hundred eight".

Divisors: 1 2 4 277 409 554 818 1108 1636 19889 39778 79556 113293 226586 453172 5509253 8134601 11018506 16269202 22037012 32538404 2253284477 4506568954 9013137908