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12988545556313 = 611369871554359
BaseRepresentation
bin1011110100000010000110…
…1001001101111101011001
31200222200201001221111111102
42331000201221031331121
53200301020130300223
643342504440041145
72510251160421005
oct275004151157531
950880631844442
1012988545556313
1141584583a0708
1215593257631b5
13732a788695a2
1432c912a5b705
15177cddc7c928
hexbd021a4df59

12988545556313 has 8 divisors (see below), whose sum is σ = 13201577396160. Its totient is φ = 12775517099280.

The previous prime is 12988545556307. The next prime is 12988545556319. The reversal of 12988545556313 is 31365554588921.

12988545556313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12988545556307) and next prime (12988545556319).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12988545556313 - 218 = 12988545294169 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 12988545556313.

It is not an unprimeable number, because it can be changed into a prime (12988545556319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7579028 + ... + 9133386.

It is an arithmetic number, because the mean of its divisors is an integer number (1650197174520).

Almost surely, 212988545556313 is an apocalyptic number.

It is an amenable number.

12988545556313 is a deficient number, since it is larger than the sum of its proper divisors (213031839847).

12988545556313 is a wasteful number, since it uses less digits than its factorization.

12988545556313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691407.

The product of its digits is 155520000, while the sum is 65.

The spelling of 12988545556313 in words is "twelve trillion, nine hundred eighty-eight billion, five hundred forty-five million, five hundred fifty-six thousand, three hundred thirteen".

Divisors: 1 61 136987 1554359 8356207 94815899 212926976333 12988545556313