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13044400332 = 2232937483909
BaseRepresentation
bin11000010011000000…
…11100000011001100
31020200002100012021020
430021200130003030
5203203331302312
65554214434140
7641152400445
oct141140340314
936602305236
1013044400332
115594251047
122640662950
1312cb6493a2
148ba6062cc
155152c278c
hex30981c0cc

13044400332 has 24 divisors (see below), whose sum is σ = 31486484400. Its totient is φ = 4198197696.

The previous prime is 13044400319. The next prime is 13044400367. The reversal of 13044400332 is 23300444031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18741607 + ... + 18742302.

It is an arithmetic number, because the mean of its divisors is an integer number (1311936850).

Almost surely, 213044400332 is an apocalyptic number.

13044400332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13044400332 is an abundant number, since it is smaller than the sum of its proper divisors (18442084068).

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

13044400332 is a wasteful number, since it uses less digits than its factorization.

13044400332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37483945 (or 37483943 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13044400332 its reverse (23300444031), we get a palindrome (36344844363).

The spelling of 13044400332 in words is "thirteen billion, forty-four million, four hundred thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 37483909 74967818 112451727 149935636 224903454 449806908 1087033361 2174066722 3261100083 4348133444 6522200166 13044400332