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12880222071 = 310501408857
BaseRepresentation
bin10111111111011100…
…01001011101110111
31020020122102002000220
423333232021131313
5202334314101241
65530031505423
7634120036563
oct137756113567
936218362026
1012880222071
11550a605532
1225b5688273
1312a3624ba2
148a28aa6a3
15505b92166
hex2ffb89777

12880222071 has 8 divisors (see below), whose sum is σ = 17175306864. Its totient is φ = 8585976000.

The previous prime is 12880222031. The next prime is 12880222073. The reversal of 12880222071 is 17022208821.

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

It is not a de Polignac number, because 12880222071 - 214 = 12880205687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12880222073) 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, 172926 + ... + 235931.

It is an arithmetic number, because the mean of its divisors is an integer number (2146913358).

Almost surely, 212880222071 is an apocalyptic number.

12880222071 is a deficient number, since it is larger than the sum of its proper divisors (4295084793).

12880222071 is a wasteful number, since it uses less digits than its factorization.

12880222071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419361.

The product of its (nonzero) digits is 7168, while the sum is 33.

The spelling of 12880222071 in words is "twelve billion, eight hundred eighty million, two hundred twenty-two thousand, seventy-one".

Divisors: 1 3 10501 31503 408857 1226571 4293407357 12880222071