Base | Representation |
---|---|
bin | 101110111011… |
… | …011010101000 |
3 | 212011000011100 |
4 | 232323122220 |
5 | 11122130432 |
6 | 1115401400 |
7 | 206364603 |
oct | 56733250 |
9 | 25130140 |
10 | 12301992 |
11 | 6a4273a |
12 | 4153260 |
13 | 27195b1 |
14 | 18c333a |
15 | 113007c |
hex | bbb6a8 |
12301992 has 48 divisors (see below), whose sum is σ = 33876180. Its totient is φ = 4032000.
The previous prime is 12301969. The next prime is 12302023. The reversal of 12301992 is 29910321.
It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 1052676 = 3354^2 + 1026^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2992 + ... + 5792.
Almost surely, 212301992 is an apocalyptic number.
12301992 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 12301992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16938090).
12301992 is an abundant number, since it is smaller than the sum of its proper divisors (21574188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12301992 is a wasteful number, since it uses less digits than its factorization.
12301992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2874 (or 2867 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 12301992 is about 3507.4195642951. The cubic root of 12301992 is about 230.8474846406.
The spelling of 12301992 in words is "twelve million, three hundred one thousand, nine hundred ninety-two".
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