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13103664265 = 52633995341
BaseRepresentation
bin11000011010000101…
…00000110010001001
31020211012212010002201
430031002200302021
5203314014224030
610004133000201
7642502210546
oct141502406211
936735763081
1013103664265
1156147499aa
122658483061
13130a9c92c3
148c4431bcd
1551a5cc2ca
hex30d0a0c89

13103664265 has 8 divisors (see below), whose sum is σ = 15730384968. Its totient is φ = 10478939520.

The previous prime is 13103664253. The next prime is 13103664269. The reversal of 13103664265 is 56246630131.

It can be written as a sum of positive squares in 4 ways, for example, as 31629376 + 13072034889 = 5624^2 + 114333^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-13103664265 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13103664269) 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, 484506 + ... + 510835.

It is an arithmetic number, because the mean of its divisors is an integer number (1966298121).

Almost surely, 213103664265 is an apocalyptic number.

It is an amenable number.

13103664265 is a deficient number, since it is larger than the sum of its proper divisors (2626720703).

13103664265 is an equidigital number, since it uses as much as digits as its factorization.

13103664265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997979.

The product of its (nonzero) digits is 77760, while the sum is 37.

It can be divided in two parts, 1310366 and 4265, that added together give a triangular number (1314631 = T1621).

The spelling of 13103664265 in words is "thirteen billion, one hundred three million, six hundred sixty-four thousand, two hundred sixty-five".

Divisors: 1 5 2633 13165 995341 4976705 2620732853 13103664265