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13135590517 = 71876512931
BaseRepresentation
bin11000011101111000…
…10011010001110101
31020220102221010200111
430032330103101311
5203400202344032
610011233143021
7643340451160
oct141674232165
936812833614
1013135590517
115630775635
1226670baa71
1313144c6c8a
148c8782ad7
1551d2d6c47
hex30ef13475

13135590517 has 4 divisors (see below), whose sum is σ = 15012103456. Its totient is φ = 11259077580.

The previous prime is 13135590499. The next prime is 13135590527. The reversal of 13135590517 is 71509553131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13135590517 - 231 = 10988106869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13135590517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135590527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938256459 + ... + 938256472.

It is an arithmetic number, because the mean of its divisors is an integer number (3753025864).

Almost surely, 213135590517 is an apocalyptic number.

It is an amenable number.

13135590517 is a deficient number, since it is larger than the sum of its proper divisors (1876512939).

13135590517 is an equidigital number, since it uses as much as digits as its factorization.

13135590517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876512938.

The product of its (nonzero) digits is 70875, while the sum is 40.

The spelling of 13135590517 in words is "thirteen billion, one hundred thirty-five million, five hundred ninety thousand, five hundred seventeen".

Divisors: 1 7 1876512931 13135590517