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13103121324 = 2231091926777
BaseRepresentation
bin11000011010000000…
…11100001110101100
31020211011211112022210
430031000130032230
5203313344340244
610004113210420
7642464456616
oct141500341654
936734745283
1013103121324
115614408a97
122658260a10
13130a869137
148c432ddb6
1551a5214b9
hex30d01c3ac

13103121324 has 12 divisors (see below), whose sum is σ = 30573949784. Its totient is φ = 4367707104.

The previous prime is 13103121307. The next prime is 13103121391. The reversal of 13103121324 is 42312130131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13103121324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545963377 + ... + 545963400.

Almost surely, 213103121324 is an apocalyptic number.

It is an amenable number.

13103121324 is an abundant number, since it is smaller than the sum of its proper divisors (17470828460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103121324 is a wasteful number, since it uses less digits than its factorization.

13103121324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091926784 (or 1091926782 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13103121324 its reverse (42312130131), we get a palindrome (55415251455).

The spelling of 13103121324 in words is "thirteen billion, one hundred three million, one hundred twenty-one thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 1091926777 2183853554 3275780331 4367707108 6551560662 13103121324