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12348797553 = 321372088617
BaseRepresentation
bin10111000000000101…
…11011001001110001
31011212121102220122100
423200002323021301
5200242243010203
65401205331013
7615005022141
oct134002731161
934777386570
1012348797553
115267635414
122487706a69
13121a4b9601
14852094921
154c41bcea3
hex2e00bb271

12348797553 has 6 divisors (see below), whose sum is σ = 17837152034. Its totient is φ = 8232531696.

The previous prime is 12348797521. The next prime is 12348797563. The reversal of 12348797553 is 35579784321.

12348797553 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 87 + 9 + 7 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7047938304 + 5300859249 = 83952^2 + 72807^2 .

It is not a de Polignac number, because 12348797553 - 25 = 12348797521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12348797553.

It is not an unprimeable number, because it can be changed into a prime (12348797563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 686044300 + ... + 686044317.

Almost surely, 212348797553 is an apocalyptic number.

It is an amenable number.

12348797553 is a deficient number, since it is larger than the sum of its proper divisors (5488354481).

12348797553 is a wasteful number, since it uses less digits than its factorization.

12348797553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372088623 (or 1372088620 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 12348797553 in words is "twelve billion, three hundred forty-eight million, seven hundred ninety-seven thousand, five hundred fifty-three".

Divisors: 1 3 9 1372088617 4116265851 12348797553