Base | Representation |
---|---|
bin | 10110100001000110… |
… | …01000100100000000 |
3 | 1011012111012221202221 |
4 | 23100203020210000 |
5 | 144224213240012 |
6 | 5315321020424 |
7 | 605400103201 |
oct | 132043104400 |
9 | 34174187687 |
10 | 12088805632 |
11 | 51438a7662 |
12 | 2414624714 |
13 | 11a8688c37 |
14 | 8297375a8 |
15 | 4ab463507 |
hex | 2d08c8900 |
12088805632 has 72 divisors (see below), whose sum is σ = 26220104960. Its totient is φ = 5541488640.
The previous prime is 12088805623. The next prime is 12088805639. The reversal of 12088805632 is 23650888021.
It is a super-2 number, since 2×120888056322 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12088805639) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110698 + ... + 190870.
Almost surely, 212088805632 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 12088805632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13110052480).
12088805632 is an abundant number, since it is smaller than the sum of its proper divisors (14131299328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12088805632 is an equidigital number, since it uses as much as digits as its factorization.
12088805632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80239 (or 80225 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 43.
The spelling of 12088805632 in words is "twelve billion, eighty-eight million, eight hundred five thousand, six hundred thirty-two".
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