Base | Representation |
---|---|
bin | 10111010000010101… |
… | …01110000100000000 |
3 | 1012020002211200221210 |
4 | 23220022232010000 |
5 | 201032133340231 |
6 | 5422514050120 |
7 | 621251151246 |
oct | 135012560400 |
9 | 35202750853 |
10 | 12485058816 |
11 | 532754352a |
12 | 2505279940 |
13 | 123c7b7c89 |
14 | 866204796 |
15 | 4d1136a46 |
hex | 2e82ae100 |
12485058816 has 72 divisors (see below), whose sum is σ = 33533536960. Its totient is φ = 4123478016.
The previous prime is 12485058767. The next prime is 12485058847. The reversal of 12485058816 is 61885058421.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 9141 + ... + 158283.
Almost surely, 212485058816 is an apocalyptic number.
12485058816 is a gapful number since it is divisible by the number (16) 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 12485058816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16766768480).
12485058816 is an abundant number, since it is smaller than the sum of its proper divisors (21048478144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12485058816 is a wasteful number, since it uses less digits than its factorization.
12485058816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149271 (or 149257 counting only the distinct ones).
The product of its (nonzero) digits is 614400, while the sum is 48.
The spelling of 12485058816 in words is "twelve billion, four hundred eighty-five million, fifty-eight thousand, eight hundred sixteen".
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