Base | Representation |
---|---|
bin | 11000000010101010… |
… | …01101101010001010 |
3 | 1020022112020201202200 |
4 | 30001111031222022 |
5 | 202413223140244 |
6 | 5532434541030 |
7 | 634565505351 |
oct | 140125155212 |
9 | 36275221680 |
10 | 12907240074 |
11 | 5523889563 |
12 | 2602737776 |
13 | 12a90c4781 |
14 | 8a6300998 |
15 | 50822c669 |
hex | 30154da8a |
12907240074 has 24 divisors (see below), whose sum is σ = 27969803940. Its totient is φ = 4301779968.
The previous prime is 12907240069. The next prime is 12907240081. The reversal of 12907240074 is 47004270921.
It can be written as a sum of positive squares in 2 ways, for example, as 10607558049 + 2299682025 = 102993^2 + 47955^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82212 + ... + 180480.
Almost surely, 212907240074 is an apocalyptic number.
12907240074 is an abundant number, since it is smaller than the sum of its proper divisors (15062563866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12907240074 is a wasteful number, since it uses less digits than its factorization.
12907240074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105574 (or 105571 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The spelling of 12907240074 in words is "twelve billion, nine hundred seven million, two hundred forty thousand, seventy-four".
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