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13103313432 = 2331149633763
BaseRepresentation
bin11000011010000010…
…01011001000011000
31020211012012021211220
430031001023020120
5203313422012212
610004121252040
7642466216656
oct141501131030
936735167756
1013103313432
11561452a360
122658334020
13130a905701
148c437ddd6
1551a55d38c
hex30d04b218

13103313432 has 32 divisors (see below), whose sum is σ = 35736310080. Its totient is φ = 3970700960.

The previous prime is 13103313409. The next prime is 13103313439. The reversal of 13103313432 is 23431330131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103313439) 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, 24816618 + ... + 24817145.

It is an arithmetic number, because the mean of its divisors is an integer number (1116759690).

Almost surely, 213103313432 is an apocalyptic number.

13103313432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13103313432 is an abundant number, since it is smaller than the sum of its proper divisors (22632996648).

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

13103313432 is a wasteful number, since it uses less digits than its factorization.

13103313432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49633783 (or 49633779 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 13103313432 its reverse (23431330131), we get a palindrome (36534643563).

The spelling of 13103313432 in words is "thirteen billion, one hundred three million, three hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 49633763 99267526 148901289 198535052 297802578 397070104 545971393 595605156 1091942786 1191210312 1637914179 2183885572 3275828358 4367771144 6551656716 13103313432