Search a number
BaseRepresentation
bin1011100010100111011110…
…0101110101100001111011
31122221002101220112012211010
42320221313211311201323
53130400231442042200
642553222514205003
72446526445434550
oct270516745654173
948832356465733
1012689339799675
114052578563190
12150b342283763
137107a4456586
1431c24b1c6a27
1517012b1aa150
hexb8a7797587b

12689339799675 has 384 divisors, whose sum is σ = 27905413939200. Its totient is φ = 4934522880000.

The previous prime is 12689339799641. The next prime is 12689339799707. The reversal of 12689339799675 is 57699793398621.

It is not a de Polignac number, because 12689339799675 - 213 = 12689339791483 is a prime.

It is a super-2 number, since 2×126893397996752 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 829415176 + ... + 829430474.

It is an arithmetic number, because the mean of its divisors is an integer number (72670348800).

Almost surely, 212689339799675 is an apocalyptic number.

12689339799675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12689339799675 is an abundant number, since it is smaller than the sum of its proper divisors (15216074139525).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12689339799675 is a wasteful number, since it uses less digits than its factorization.

12689339799675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15515 (or 15510 counting only the distinct ones).

The product of its digits is 8332994880, while the sum is 84.

The spelling of 12689339799675 in words is "twelve trillion, six hundred eighty-nine billion, three hundred thirty-nine million, seven hundred ninety-nine thousand, six hundred seventy-five".