Base | Representation |
---|---|
bin | 10111010001001110… |
… | …00000011110110000 |
3 | 1012020121210110001220 |
4 | 23220213000132300 |
5 | 201041033134123 |
6 | 5423341025040 |
7 | 621401164560 |
oct | 135047003660 |
9 | 35217713056 |
10 | 12492474288 |
11 | 5330748918 |
12 | 2507855180 |
13 | 12411b3328 |
14 | 8671b4da0 |
15 | 4d1aedce3 |
hex | 2e89c07b0 |
12492474288 has 160 divisors (see below), whose sum is σ = 38549913600. Its totient is φ = 3408438528.
The previous prime is 12492474151. The next prime is 12492474301. The reversal of 12492474288 is 88247429421.
It is a happy number.
It is a super-2 number, since 2×124924742882 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12492474288.
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, 7101153 + ... + 7102911.
It is an arithmetic number, because the mean of its divisors is an integer number (240936960).
Almost surely, 212492474288 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 12492474288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19274956800).
12492474288 is an abundant number, since it is smaller than the sum of its proper divisors (26057439312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12492474288 is a wasteful number, since it uses less digits than its factorization.
12492474288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2719 (or 2713 counting only the distinct ones).
The product of its digits is 2064384, while the sum is 51.
The spelling of 12492474288 in words is "twelve billion, four hundred ninety-two million, four hundred seventy-four thousand, two hundred eighty-eight".
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