Base | Representation |
---|---|
bin | 10111101110110010… |
… | …10001000011000110 |
3 | 1012212220120000001100 |
4 | 23313121101003012 |
5 | 202043033432444 |
6 | 5504121440530 |
7 | 630502502265 |
oct | 136731210306 |
9 | 35786500040 |
10 | 12740530374 |
11 | 5448774050 |
12 | 2576940146 |
13 | 12806c4c90 |
14 | 88c1065dc |
15 | 4e879be69 |
hex | 2f76510c6 |
12740530374 has 96 divisors (see below), whose sum is σ = 32482404864. Its totient is φ = 3558075840.
The previous prime is 12740530331. The next prime is 12740530409. The reversal of 12740530374 is 47303504721.
12740530374 is a `hidden beast` number, since 12 + 7 + 40 + 530 + 3 + 74 = 666.
12740530374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×127405303742 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1754419 + ... + 1761665.
It is an arithmetic number, because the mean of its divisors is an integer number (338358384).
Almost surely, 212740530374 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12740530374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16241202432).
12740530374 is an abundant number, since it is smaller than the sum of its proper divisors (19741874490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12740530374 is a wasteful number, since it uses less digits than its factorization.
12740530374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7962 (or 7959 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 36.
The spelling of 12740530374 in words is "twelve billion, seven hundred forty million, five hundred thirty thousand, three hundred seventy-four".
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