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13875509290 = 251519189079
BaseRepresentation
bin11001110110000101…
…10111100000101010
31022211000012220102111
430323002313200222
5211404112244130
610212504152534
71000563611566
oct147302674052
938730186374
1013875509290
1159803aa555
122832a6874a
1314018a1c36
14958b4c6a6
1556324202a
hex33b0b782a

13875509290 has 16 divisors (see below), whose sum is σ = 25141322880. Its totient is φ = 5513446800.

The previous prime is 13875509281. The next prime is 13875509303. The reversal of 13875509290 is 9290557831.

13875509290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4593030 + ... + 4596049.

It is an arithmetic number, because the mean of its divisors is an integer number (1571332680).

Almost surely, 213875509290 is an apocalyptic number.

13875509290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13875509290 is a deficient number, since it is larger than the sum of its proper divisors (11265813590).

13875509290 is a wasteful number, since it uses less digits than its factorization.

13875509290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189237.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 13875509290 in words is "thirteen billion, eight hundred seventy-five million, five hundred nine thousand, two hundred ninety".

Divisors: 1 2 5 10 151 302 755 1510 9189079 18378158 45945395 91890790 1387550929 2775101858 6937754645 13875509290