Base | Representation |
---|---|
bin | 10111101110110111… |
… | …00101010101001100 |
3 | 1012212221200212012101 |
4 | 23313123211111030 |
5 | 202043212401430 |
6 | 5504142444444 |
7 | 630510612112 |
oct | 136733452514 |
9 | 35787625171 |
10 | 12741137740 |
11 | 5449049401 |
12 | 2576b93724 |
13 | 1280878576 |
14 | 88c223ab2 |
15 | 4e886bdca |
hex | 2f76e554c |
12741137740 has 12 divisors (see below), whose sum is σ = 26756389296. Its totient is φ = 5096455088.
The previous prime is 12741137723. The next prime is 12741137749. The reversal of 12741137740 is 4773114721.
It is a self number, because there is not a number n which added to its sum of digits gives 12741137740.
It is not an unprimeable number, because it can be changed into a prime (12741137749) 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, 318528424 + ... + 318528463.
It is an arithmetic number, because the mean of its divisors is an integer number (2229699108).
Almost surely, 212741137740 is an apocalyptic number.
12741137740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12741137740 is an abundant number, since it is smaller than the sum of its proper divisors (14015251556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12741137740 is a wasteful number, since it uses less digits than its factorization.
12741137740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 637056896 (or 637056894 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 37.
The spelling of 12741137740 in words is "twelve billion, seven hundred forty-one million, one hundred thirty-seven thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •