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13040112442 = 273112994973
BaseRepresentation
bin11000010010100000…
…00101001100111010
31020122210021100101111
430021100011030322
5203201232044232
65553542510534
7641101061350
oct141120051472
936583240344
1013040112442
115591892535
12263b13544a
1312ca7a7786
148b9c0b7d0
15514c27047
hex30940533a

13040112442 has 16 divisors (see below), whose sum is σ = 22426365312. Its totient is φ = 5570647920.

The previous prime is 13040112403. The next prime is 13040112457. The reversal of 13040112442 is 24421104031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493133 + ... + 1501840.

It is an arithmetic number, because the mean of its divisors is an integer number (1401647832).

Almost surely, 213040112442 is an apocalyptic number.

13040112442 is a deficient number, since it is larger than the sum of its proper divisors (9386252870).

13040112442 is a wasteful number, since it uses less digits than its factorization.

13040112442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995293.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13040112442 its reverse (24421104031), we get a palindrome (37461216473).

The spelling of 13040112442 in words is "thirteen billion, forty million, one hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 7 14 311 622 2177 4354 2994973 5989946 20964811 41929622 931436603 1862873206 6520056221 13040112442