Base | Representation |
---|---|
bin | 10111001111101111… |
… | …11001011101110000 |
3 | 1012012202120000201212 |
4 | 23213313321131300 |
5 | 201024402443114 |
6 | 5422220215252 |
7 | 621161211311 |
oct | 134767713560 |
9 | 35182500655 |
10 | 12480124784 |
11 | 5324783516 |
12 | 250369a528 |
13 | 123b77b22a |
14 | 8656bc608 |
15 | 4d09aeb3e |
hex | 2e7df9770 |
12480124784 has 20 divisors (see below), whose sum is σ = 24191654760. Its totient is φ = 6237117120.
The previous prime is 12480124763. The next prime is 12480124793. The reversal of 12480124784 is 48742108421.
It is a super-2 number, since 2×124801247842 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148919 + ... + 217110.
It is an arithmetic number, because the mean of its divisors is an integer number (1209582738).
Almost surely, 212480124784 is an apocalyptic number.
It is an amenable number.
12480124784 is a deficient number, since it is larger than the sum of its proper divisors (11711529976).
12480124784 is a wasteful number, since it uses less digits than its factorization.
12480124784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368168 (or 368162 counting only the distinct ones).
The product of its (nonzero) digits is 114688, while the sum is 41.
The spelling of 12480124784 in words is "twelve billion, four hundred eighty million, one hundred twenty-four thousand, seven hundred eighty-four".
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