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13900001275 = 5253101103867
BaseRepresentation
bin11001111001000000…
…10010111111111011
31022212201022020010001
430330200102333323
5211431400020100
610215141133431
71001312030026
oct147440227773
938781266101
1013900001275
115993208766
12283b0ba277
131406998b34
1495c0c61bd
1556547dd6a
hex33c812ffb

13900001275 has 24 divisors (see below), whose sum is σ = 17735253264. Its totient is φ = 10802064000.

The previous prime is 13900001267. The next prime is 13900001279. The reversal of 13900001275 is 57210000931.

It is not a de Polignac number, because 13900001275 - 23 = 13900001267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13900001279) 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, 81892 + ... + 185758.

It is an arithmetic number, because the mean of its divisors is an integer number (738968886).

Almost surely, 213900001275 is an apocalyptic number.

13900001275 is a deficient number, since it is larger than the sum of its proper divisors (3835251989).

13900001275 is a wasteful number, since it uses less digits than its factorization.

13900001275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104031 (or 104026 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The spelling of 13900001275 in words is "thirteen billion, nine hundred million, one thousand, two hundred seventy-five".

Divisors: 1 5 25 53 101 265 505 1325 2525 5353 26765 103867 133825 519335 2596675 5504951 10490567 27524755 52452835 137623775 262264175 556000051 2780000255 13900001275