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13442542534 = 253217313831
BaseRepresentation
bin11001000010011110…
…01110101111000110
31021200211111220200201
430201033032233012
5210012242330114
610101520201114
7654055504051
oct144117165706
937624456621
1013442542534
115778a68193
122731a6919a
131362c8a1a5
14917445a98
1553a21a874
hex3213cebc6

13442542534 has 24 divisors (see below), whose sum is σ = 20671730352. Its totient is φ = 6555862560.

The previous prime is 13442542507. The next prime is 13442542577. The reversal of 13442542534 is 43524524431.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13442542493 and 13442542502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964999 + ... + 978829.

It is an arithmetic number, because the mean of its divisors is an integer number (861322098).

Almost surely, 213442542534 is an apocalyptic number.

13442542534 is a deficient number, since it is larger than the sum of its proper divisors (7229187818).

13442542534 is a wasteful number, since it uses less digits than its factorization.

13442542534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14112 (or 14059 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

The spelling of 13442542534 in words is "thirteen billion, four hundred forty-two million, five hundred forty-two thousand, five hundred thirty-four".

Divisors: 1 2 53 106 173 346 2809 5618 9169 13831 18338 27662 485957 733043 971914 1466086 2392763 4785526 38851279 77702558 126816439 253632878 6721271267 13442542534