Base | Representation |
---|---|
bin | 101110111101… |
… | …100111010000 |
3 | 212011110111200 |
4 | 232331213100 |
5 | 11122422432 |
6 | 1115511200 |
7 | 206433051 |
oct | 56754720 |
9 | 25143450 |
10 | 12310992 |
11 | 6a49481 |
12 | 4158500 |
13 | 2720715 |
14 | 18c6728 |
15 | 1132a7c |
hex | bbd9d0 |
12310992 has 120 divisors (see below), whose sum is σ = 37604736. Its totient is φ = 3744768.
The previous prime is 12310979. The next prime is 12310997. The reversal of 12310992 is 29901321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12310997) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115003 + ... + 115109.
Almost surely, 212310992 is an apocalyptic number.
12310992 is a gapful number since it is divisible by the number (12) 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 12310992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18802368).
12310992 is an abundant number, since it is smaller than the sum of its proper divisors (25293744).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12310992 is a wasteful number, since it uses less digits than its factorization.
12310992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185 (or 176 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 12310992 is about 3508.7023242219. The cubic root of 12310992 is about 230.9037660653.
It can be divided in two parts, 123109 and 92, that added together give a square (123201 = 3512).
The spelling of 12310992 in words is "twelve million, three hundred ten thousand, nine hundred ninety-two".
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