Base | Representation |
---|---|
bin | 10111001000101101… |
… | …01111001010000000 |
3 | 1012001122111021011200 |
4 | 23210112233022000 |
5 | 200414300201120 |
6 | 5412311141200 |
7 | 616543416000 |
oct | 134426571200 |
9 | 35048437150 |
10 | 12421100160 |
11 | 52a4429437 |
12 | 24a7974800 |
13 | 122c483211 |
14 | 85b916000 |
15 | 4ca700e90 |
hex | 2e45af280 |
12421100160 has 384 divisors, whose sum is σ = 50027328000. Its totient is φ = 2838657024.
The previous prime is 12421100143. The next prime is 12421100179. The reversal of 12421100160 is 6100112421.
It is a tau number, because it is divible by the number of its divisors (384).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1972537 + ... + 1978823.
It is an arithmetic number, because the mean of its divisors is an integer number (130279500).
Almost surely, 212421100160 is an apocalyptic number.
12421100160 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 12421100160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25013664000).
12421100160 is an abundant number, since it is smaller than the sum of its proper divisors (37606227840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12421100160 is an equidigital number, since it uses as much as digits as its factorization.
12421100160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6333 (or 6304 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 12421100160 its reverse (6100112421), we get a palindrome (18521212581).
The spelling of 12421100160 in words is "twelve billion, four hundred twenty-one million, one hundred thousand, one hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •