Base | Representation |
---|---|
bin | 10111000101000100… |
… | …10010001110000110 |
3 | 1011222112001022200200 |
4 | 23202202102032012 |
5 | 200333441313214 |
6 | 5405300551330 |
7 | 616023063225 |
oct | 134242221606 |
9 | 34875038620 |
10 | 12390572934 |
11 | 5289178923 |
12 | 24996b2546 |
13 | 122605527c |
14 | 85784acbc |
15 | 4c7bc0d09 |
hex | 2e2892386 |
12390572934 has 12 divisors (see below), whose sum is σ = 26846241396. Its totient is φ = 4130190972.
The previous prime is 12390572933. The next prime is 12390572951. The reversal of 12390572934 is 43927509321.
12390572934 is a `hidden beast` number, since 12 + 39 + 0 + 572 + 9 + 34 = 666.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12390572934.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12390572933) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344182564 + ... + 344182599.
It is an arithmetic number, because the mean of its divisors is an integer number (2237186783).
Almost surely, 212390572934 is an apocalyptic number.
12390572934 is an abundant number, since it is smaller than the sum of its proper divisors (14455668462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12390572934 is a wasteful number, since it uses less digits than its factorization.
12390572934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 688365171 (or 688365168 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 45.
The spelling of 12390572934 in words is "twelve billion, three hundred ninety million, five hundred seventy-two thousand, nine hundred thirty-four".
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