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12880338851 = 193443150649
BaseRepresentation
bin10111111111011101…
…00101111110100011
31020020122122000020002
423333232211332203
5202334331320401
65530034210215
7634121034212
oct137756457643
936218560202
1012880338851
11550a685246
1225b572396b
1312a36660a3
148a28db079
15505bb6a6b
hex2ffba5fa3

12880338851 has 8 divisors (see below), whose sum is σ = 12976388400. Its totient is φ = 12784591872.

The previous prime is 12880338829. The next prime is 12880338883. The reversal of 12880338851 is 15883308821.

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 12880338851 - 214 = 12880322467 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12880338796 and 12880338805.

It is not an unprimeable number, because it can be changed into a prime (12880331851) 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, 10175 + ... + 160823.

It is an arithmetic number, because the mean of its divisors is an integer number (1622048550).

Almost surely, 212880338851 is an apocalyptic number.

12880338851 is a deficient number, since it is larger than the sum of its proper divisors (96049549).

12880338851 is a wasteful number, since it uses less digits than its factorization.

12880338851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151285.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 12880338851 in words is "twelve billion, eight hundred eighty million, three hundred thirty-eight thousand, eight hundred fifty-one".

Divisors: 1 193 443 85499 150649 29075257 66737507 12880338851