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13250522251 = 3729678979
BaseRepresentation
bin11000101011100101…
…01110110010001011
31021012110012021101101
430111302232302023
5204114113203001
610030500402231
7646234403131
oct142562566213
937173167341
1013250522251
11568a63553a
1226996a6377
131332268015
148d9b3d751
1552843aa01
hex315caec8b

13250522251 has 6 divisors (see below), whose sum is σ = 13618324860. Its totient is φ = 12892398696.

The previous prime is 13250522213. The next prime is 13250522273. The reversal of 13250522251 is 15222505231.

It is not a de Polignac number, because 13250522251 - 211 = 13250520203 is a prime.

It is a super-2 number, since 2×132505222512 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13250525251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4838121 + ... + 4840858.

It is an arithmetic number, because the mean of its divisors is an integer number (2269720810).

Almost surely, 213250522251 is an apocalyptic number.

13250522251 is a deficient number, since it is larger than the sum of its proper divisors (367802609).

13250522251 is an frugal number, since it uses more digits than its factorization.

13250522251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679053 (or 9679016 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 13250522251 in words is "thirteen billion, two hundred fifty million, five hundred twenty-two thousand, two hundred fifty-one".

Divisors: 1 37 1369 9678979 358122223 13250522251