Base | Representation |
---|---|
bin | 10110111011110010… |
… | …10101101111101111 |
3 | 1011210002120112002112 |
4 | 23131321111233233 |
5 | 200204024334412 |
6 | 5353440314235 |
7 | 614056324532 |
oct | 133571255757 |
9 | 34702515075 |
10 | 12312730607 |
11 | 5249240821 |
12 | 247761297b |
13 | 1212b9c018 |
14 | 84b386a19 |
15 | 4c0e46722 |
hex | 2dde55bef |
12312730607 has 24 divisors (see below), whose sum is σ = 13810859856. Its totient is φ = 10937389824.
The previous prime is 12312730597. The next prime is 12312730613. The reversal of 12312730607 is 70603721321.
It is not a de Polignac number, because 12312730607 - 218 = 12312468463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12312730667) 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, 1696328 + ... + 1703570.
It is an arithmetic number, because the mean of its divisors is an integer number (575452494).
Almost surely, 212312730607 is an apocalyptic number.
12312730607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
12312730607 is a deficient number, since it is larger than the sum of its proper divisors (1498129249).
12312730607 is a wasteful number, since it uses less digits than its factorization.
12312730607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7575 (or 7556 counting only the distinct ones).
The product of its (nonzero) digits is 10584, while the sum is 32.
The spelling of 12312730607 in words is "twelve billion, three hundred twelve million, seven hundred thirty thousand, six hundred seven".
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