Base | Representation |
---|---|
bin | 10111001110101100… |
… | …11001111110000000 |
3 | 1012012011000222011120 |
4 | 23213112121332000 |
5 | 201020131020044 |
6 | 5421304112240 |
7 | 621023453325 |
oct | 134726317600 |
9 | 35164028146 |
10 | 12471345024 |
11 | 531a827116 |
12 | 2500765680 |
13 | 12399c5bc8 |
14 | 864474b4c |
15 | 4ced28519 |
hex | 2e7599f80 |
12471345024 has 64 divisors (see below), whose sum is σ = 33298850640. Its totient is φ = 4135550976.
The previous prime is 12471345013. The next prime is 12471345119. The reversal of 12471345024 is 42054317421.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10027 + ... + 158250.
Almost surely, 212471345024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12471345024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16649425320).
12471345024 is an abundant number, since it is smaller than the sum of its proper divisors (20827505616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12471345024 is a wasteful number, since it uses less digits than its factorization.
12471345024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168487 (or 168475 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 33.
The spelling of 12471345024 in words is "twelve billion, four hundred seventy-one million, three hundred forty-five thousand, twenty-four".
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