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12867473159 = 29443705971
BaseRepresentation
bin10111111101111011…
…00000111100000111
31020012202102100210222
423332331200330013
5202323033120114
65524454334555
7633603501002
oct137675407407
936182370728
1012867473159
115503398042
1225b135a45b
1312a0ab0058
148a0d0c539
155049c498e
hex2fef60f07

12867473159 has 4 divisors (see below), whose sum is σ = 13311179160. Its totient is φ = 12423767160.

The previous prime is 12867473141. The next prime is 12867473161. The reversal of 12867473159 is 95137476821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12867473159 - 28 = 12867472903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12867473159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12867413159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221852957 + ... + 221853014.

It is an arithmetic number, because the mean of its divisors is an integer number (3327794790).

Almost surely, 212867473159 is an apocalyptic number.

12867473159 is a deficient number, since it is larger than the sum of its proper divisors (443706001).

12867473159 is an equidigital number, since it uses as much as digits as its factorization.

12867473159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443706000.

The product of its digits is 2540160, while the sum is 53.

The spelling of 12867473159 in words is "twelve billion, eight hundred sixty-seven million, four hundred seventy-three thousand, one hundred fifty-nine".

Divisors: 1 29 443705971 12867473159