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12886998803 = 78017229637
BaseRepresentation
bin11000000000001111…
…11111111100010011
31020021010011100221222
430000013333330103
5202343032430203
65530433035255
7634231453040
oct140007777423
936233140858
1012886998803
115513413a38
1225b79b5b2b
1312a4b585a3
148a37521c7
15506580038
hex3001fff13

12886998803 has 8 divisors (see below), whose sum is σ = 14729899872. Its totient is φ = 11044573056.

The previous prime is 12886998799. The next prime is 12886998811. The reversal of 12886998803 is 30889968821.

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 12886998803 - 22 = 12886998799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12886994803) 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, 58700 + ... + 170937.

It is an arithmetic number, because the mean of its divisors is an integer number (1841237484).

Almost surely, 212886998803 is an apocalyptic number.

12886998803 is a deficient number, since it is larger than the sum of its proper divisors (1842901069).

12886998803 is an equidigital number, since it uses as much as digits as its factorization.

12886998803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237661.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 12886998803 in words is "twelve billion, eight hundred eighty-six million, nine hundred ninety-eight thousand, eight hundred three".

Divisors: 1 7 8017 56119 229637 1607459 1840999829 12886998803