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12858130080 = 2533510727817
BaseRepresentation
bin10111111100110011…
…10111111010100000
31020012002211200112000
423332121313322200
5202313140130310
65523522204000
7633431205465
oct137631677240
936162750460
1012858130080
1154a9096494
1225aa1b3600
13129bb8b4c3
1489d99966c
15503c7b4c0
hex2fe677ea0

12858130080 has 192 divisors, whose sum is σ = 45425681280. Its totient is φ = 3396667392.

The previous prime is 12858130057. The next prime is 12858130093. The reversal of 12858130080 is 8003185821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448332 + ... + 476148.

It is an arithmetic number, because the mean of its divisors is an integer number (236592090).

Almost surely, 212858130080 is an apocalyptic number.

12858130080 is a gapful number since it is divisible by the number (10) 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 12858130080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22712840640).

12858130080 is an abundant number, since it is smaller than the sum of its proper divisors (32567551200).

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

12858130080 is a wasteful number, since it uses less digits than its factorization.

12858130080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27948 (or 27934 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 12858130080 in words is "twelve billion, eight hundred fifty-eight million, one hundred thirty thousand, eighty".