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12345588813 = 323218142979
BaseRepresentation
bin10110111111101101…
…01011110001001101
31011212101101220002010
423133312223301031
5200240432320223
65401012451433
7614635526205
oct133766536115
934771356063
1012345588813
115265843668
122486619b79
131219934c4c
1485189b405
154c3c87393
hex2dfdabc4d

12345588813 has 24 divisors (see below), whose sum is σ = 17303060320. Its totient is φ = 7828872480.

The previous prime is 12345588803. The next prime is 12345588823. The reversal of 12345588813 is 31888554321.

It is an interprime number because it is at equal distance from previous prime (12345588803) and next prime (12345588823).

It is not a de Polignac number, because 12345588813 - 28 = 12345588557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345588803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 265758 + ... + 308736.

Almost surely, 212345588813 is an apocalyptic number.

It is an amenable number.

12345588813 is a deficient number, since it is larger than the sum of its proper divisors (4957471507).

12345588813 is a wasteful number, since it uses less digits than its factorization.

12345588813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43209 (or 43186 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The spelling of 12345588813 in words is "twelve billion, three hundred forty-five million, five hundred eighty-eight thousand, eight hundred thirteen".

Divisors: 1 3 23 69 181 529 543 1587 4163 12489 42979 95749 128937 287247 988517 2965551 7779199 22735891 23337597 68207673 178921577 536764731 4115196271 12345588813