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13668650275 = 527373209401
BaseRepresentation
bin11001011101011011…
…10000110100100011
31022021120222101012111
430232231300310203
5210443133302100
610140154340151
7662502416230
oct145655606443
938246871174
1013668650275
115884662295
12279572a657
13139aa85957
149394a2787
1554eed06ba
hex32eb70d23

13668650275 has 24 divisors (see below), whose sum is σ = 19422454304. Its totient is φ = 9347616000.

The previous prime is 13668650273. The next prime is 13668650279. The reversal of 13668650275 is 57205686631.

It is not a de Polignac number, because 13668650275 - 21 = 13668650273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13668650273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39426 + ... + 169975.

Almost surely, 213668650275 is an apocalyptic number.

13668650275 is a deficient number, since it is larger than the sum of its proper divisors (5753804029).

13668650275 is a wasteful number, since it uses less digits than its factorization.

13668650275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209791 (or 209786 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 13668650275 in words is "thirteen billion, six hundred sixty-eight million, six hundred fifty thousand, two hundred seventy-five".

Divisors: 1 5 7 25 35 175 373 1865 2611 9325 13055 65275 209401 1047005 1465807 5235025 7329035 36645175 78106573 390532865 546746011 1952664325 2733730055 13668650275