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12549163054 = 2171919425949
BaseRepresentation
bin10111010111111110…
…10000100000101110
31012101120110112102211
423223333100200232
5201200041204204
65433124041034
7622660061131
oct135377204056
935346415384
1012549163054
11535a747a3a
12252283317a
13124cb7108c
14870930218
154d6a9a804
hex2ebfd082e

12549163054 has 16 divisors (see below), whose sum is σ = 20980026000. Its totient is φ = 5594673024.

The previous prime is 12549163019. The next prime is 12549163091. The reversal of 12549163054 is 45036194521.

It is a junction number, because it is equal to n+sod(n) for n = 12549162998 and 12549163016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9712329 + ... + 9713620.

It is an arithmetic number, because the mean of its divisors is an integer number (1311251625).

Almost surely, 212549163054 is an apocalyptic number.

12549163054 is a deficient number, since it is larger than the sum of its proper divisors (8430862946).

12549163054 is a wasteful number, since it uses less digits than its factorization.

12549163054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425987.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 12549163054 in words is "twelve billion, five hundred forty-nine million, one hundred sixty-three thousand, fifty-four".

Divisors: 1 2 17 19 34 38 323 646 19425949 38851898 330241133 369093031 660482266 738186062 6274581527 12549163054