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15138803290 = 2513522722279
BaseRepresentation
bin11100001100101011…
…11100111001011010
31110002001022220000011
432012111330321122
5222001013201130
610542113032134
71044103463512
oct160625747132
943061286004
1015138803290
116469506a86
122b25b5564a
131573527790
14a38836842
155d90d152a
hex38657ce5a

15138803290 has 32 divisors (see below), whose sum is σ = 29352919680. Its totient is φ = 5588391744.

The previous prime is 15138803287. The next prime is 15138803357. The reversal of 15138803290 is 9230883151.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 668371 + ... + 690649.

It is an arithmetic number, because the mean of its divisors is an integer number (917278740).

Almost surely, 215138803290 is an apocalyptic number.

15138803290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15138803290 is a deficient number, since it is larger than the sum of its proper divisors (14214116390).

15138803290 is a wasteful number, since it uses less digits than its factorization.

15138803290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27526.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 15138803290 in words is "fifteen billion, one hundred thirty-eight million, eight hundred three thousand, two hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 5227 10454 22279 26135 44558 52270 67951 111395 135902 222790 289627 339755 579254 679510 1448135 2896270 116452333 232904666 582261665 1164523330 1513880329 3027760658 7569401645 15138803290