Base | Representation |
---|---|
bin | 10110111111010000… |
… | …00000110101001000 |
3 | 1011212010011111111122 |
4 | 23133220000311020 |
5 | 200233441233140 |
6 | 5400354214412 |
7 | 614561040533 |
oct | 133750006510 |
9 | 34763144448 |
10 | 12341742920 |
11 | 5263657141 |
12 | 2485284408 |
13 | 1218bb9580 |
14 | 851179a1a |
15 | 4c3777ab5 |
hex | 2dfa00d48 |
12341742920 has 64 divisors (see below), whose sum is σ = 30634435440. Its totient is φ = 4445798400.
The previous prime is 12341742893. The next prime is 12341742929. The reversal of 12341742920 is 2924714321.
It can be written as a sum of positive squares in 8 ways, for example, as 1643524 + 12340099396 = 1282^2 + 111086^2 .
It is not an unprimeable number, because it can be changed into a prime (12341742929) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268121 + ... + 310760.
Almost surely, 212341742920 is an apocalyptic number.
12341742920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12341742920 is an abundant number, since it is smaller than the sum of its proper divisors (18292692520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12341742920 is a wasteful number, since it uses less digits than its factorization.
12341742920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578946 (or 578942 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 35.
The spelling of 12341742920 in words is "twelve billion, three hundred forty-one million, seven hundred forty-two thousand, nine hundred twenty".
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