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12553283457 = 32111383117517
BaseRepresentation
bin10111011000011101…
…11110011110000001
31012101212012212120100
423230032332132001
5201202120032312
65433352233013
7623040102021
oct135416763601
935355185510
1012553283457
115362001730
12252409b769
1312509846a0
148712c3a81
154d71115dc
hex2ec3be781

12553283457 has 48 divisors (see below), whose sum is σ = 21559382208. Its totient is φ = 6938144640.

The previous prime is 12553283453. The next prime is 12553283507. The reversal of 12553283457 is 75438235521.

12553283457 is a `hidden beast` number, since 12 + 553 + 2 + 8 + 34 + 57 = 666.

It is not a de Polignac number, because 12553283457 - 22 = 12553283453 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12553283453) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 48063 + ... + 165579.

It is an arithmetic number, because the mean of its divisors is an integer number (449153796).

Almost surely, 212553283457 is an apocalyptic number.

It is an amenable number.

12553283457 is a deficient number, since it is larger than the sum of its proper divisors (9006098751).

12553283457 is a wasteful number, since it uses less digits than its factorization.

12553283457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117630 (or 117627 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 12553283457 in words is "twelve billion, five hundred fifty-three million, two hundred eighty-three thousand, four hundred fifty-seven".

Divisors: 1 3 9 11 13 33 39 83 99 117 143 249 429 747 913 1079 1287 2739 3237 8217 9711 11869 35607 106821 117517 352551 1057653 1292687 1527721 3878061 4583163 9753911 11634183 13749489 16804931 29261733 50414793 87785199 107293021 126800843 151244379 321879063 380402529 965637189 1141207587 1394809273 4184427819 12553283457