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12401502204 = 223713234311483
BaseRepresentation
bin10111000110010111…
…11110011111111100
31012000021121120211110
423203023332133330
5200344241032304
65410331122020
7616215013050
oct134313763774
935007546743
1012401502204
115294363183
1224a12a3310
1312283b0ab0
14859093c60
154c8b2e289
hex2e32fe7fc

12401502204 has 192 divisors, whose sum is σ = 38030598144. Its totient is φ = 3055497984.

The previous prime is 12401502173. The next prime is 12401502233. The reversal of 12401502204 is 40220510421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1074247 + ... + 1085729.

It is an arithmetic number, because the mean of its divisors is an integer number (198076032).

Almost surely, 212401502204 is an apocalyptic number.

12401502204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12401502204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19015299072).

12401502204 is an abundant number, since it is smaller than the sum of its proper divisors (25629095940).

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

12401502204 is a wasteful number, since it uses less digits than its factorization.

12401502204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11576 (or 11574 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

It can be divided in two parts, 12401 and 502204, that added together give a triangular number (514605 = T1014).

The spelling of 12401502204 in words is "twelve billion, four hundred one million, five hundred two thousand, two hundred four".