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12401183889 = 33910950423
BaseRepresentation
bin10111000110010101…
…10000110010010001
31012000021000102012000
423203022300302101
5200344200341024
65410320224213
7616212216033
oct134312606221
935007012160
1012401183889
115294166006
1224a116b069
1312282cbc43
1485900dc53
154c8ab9cc9
hex2e32b0c91

12401183889 has 16 divisors (see below), whose sum is σ = 18374505600. Its totient is φ = 8266384368.

The previous prime is 12401183881. The next prime is 12401183911. The reversal of 12401183889 is 98838110421.

It is not a de Polignac number, because 12401183889 - 23 = 12401183881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12401183881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220732 + ... + 271154.

It is an arithmetic number, because the mean of its divisors is an integer number (1148406600).

Almost surely, 212401183889 is an apocalyptic number.

It is an amenable number.

12401183889 is a deficient number, since it is larger than the sum of its proper divisors (5973321711).

12401183889 is an equidigital number, since it uses as much as digits as its factorization.

12401183889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59541 (or 59535 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 12401183889 in words is "twelve billion, four hundred one million, one hundred eighty-three thousand, eight hundred eighty-nine".

Divisors: 1 3 9 27 9109 27327 50423 81981 151269 245943 453807 1361421 459303107 1377909321 4133727963 12401183889