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13375057331 = 251142337447
BaseRepresentation
bin11000111010011011…
…10010110110110011
31021112010112022101202
430131031302312303
5204343003313311
610051105521415
7652306053146
oct143515626663
937463468352
1013375057331
115743964599
12271334326b
131351cbc20c
1490c4ba05d
15534339e3b
hex31d372db3

13375057331 has 8 divisors (see below), whose sum is σ = 13438139904. Its totient is φ = 13312053000.

The previous prime is 13375057321. The next prime is 13375057349.

13375057331 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13375057331 is a prime.

It is a super-2 number, since 2×133750573312 (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 (13375057301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338450 + ... + 375896.

It is an arithmetic number, because the mean of its divisors is an integer number (1679767488).

Almost surely, 213375057331 is an apocalyptic number.

13375057331 is a deficient number, since it is larger than the sum of its proper divisors (63082573).

13375057331 is a wasteful number, since it uses less digits than its factorization.

13375057331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39121.

The product of its (nonzero) digits is 99225, while the sum is 38.

The spelling of 13375057331 in words is "thirteen billion, three hundred seventy-five million, fifty-seven thousand, three hundred thirty-one".

Divisors: 1 251 1423 37447 357173 9399197 53287081 13375057331