Base | Representation |
---|---|
bin | 10110011110101101… |
… | …00001000010010110 |
3 | 1011011002102112112220 |
4 | 23033112201002112 |
5 | 144204043031130 |
6 | 5313322323210 |
7 | 605034301620 |
oct | 131726410226 |
9 | 34132375486 |
10 | 12068720790 |
11 | 5133529615 |
12 | 2409959506 |
13 | 11a4476009 |
14 | 826bc9c10 |
15 | 4a97e7410 |
hex | 2cf5a1096 |
12068720790 has 32 divisors (see below), whose sum is σ = 33102777600. Its totient is φ = 2758564704.
The previous prime is 12068720749. The next prime is 12068720821. The reversal of 12068720790 is 9702786021.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28734840 + ... + 28735259.
It is an arithmetic number, because the mean of its divisors is an integer number (1034461800).
Almost surely, 212068720790 is an apocalyptic number.
12068720790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12068720790 is an abundant number, since it is smaller than the sum of its proper divisors (21034056810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12068720790 is a wasteful number, since it uses less digits than its factorization.
12068720790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57470116.
The product of its (nonzero) digits is 84672, while the sum is 42.
The spelling of 12068720790 in words is "twelve billion, sixty-eight million, seven hundred twenty thousand, seven hundred ninety".
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