Base | Representation |
---|---|
bin | 111001001011011111… |
… | …1011111110111010000 |
3 | 102201221121101202211111 |
4 | 1302112333133313100 |
5 | 4002434312443042 |
6 | 132224321223104 |
7 | 11604623301340 |
oct | 1622677376720 |
9 | 381847352744 |
10 | 122792312272 |
11 | 48092071713 |
12 | 1b96aa91a94 |
13 | b76b852356 |
14 | 5d2c128d20 |
15 | 32da1c2517 |
hex | 1c96fdfdd0 |
122792312272 has 20 divisors (see below), whose sum is σ = 271897263136. Its totient is φ = 52625276640.
The previous prime is 122792312257. The next prime is 122792312273. The reversal of 122792312272 is 272213297221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122792312273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548179854 + ... + 548180077.
Almost surely, 2122792312272 is an apocalyptic number.
It is an amenable number.
122792312272 is an abundant number, since it is smaller than the sum of its proper divisors (149104950864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122792312272 is a wasteful number, since it uses less digits than its factorization.
122792312272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1096359946 (or 1096359940 counting only the distinct ones).
The product of its digits is 84672, while the sum is 40.
The spelling of 122792312272 in words is "one hundred twenty-two billion, seven hundred ninety-two million, three hundred twelve thousand, two hundred seventy-two".
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