Base | Representation |
---|---|
bin | 10110101111101011… |
… | …01111101000110110 |
3 | 1011112000101102010010 |
4 | 23113311233220312 |
5 | 200002021443130 |
6 | 5335410441050 |
7 | 611413563624 |
oct | 132765575066 |
9 | 34460342103 |
10 | 12211124790 |
11 | 51a6952877 |
12 | 2449593186 |
13 | 11c7b15637 |
14 | 83ba98514 |
15 | 4b70760b0 |
hex | 2d7d6fa36 |
12211124790 has 16 divisors (see below), whose sum is σ = 29306699568. Its totient is φ = 3256299936.
The previous prime is 12211124789. The next prime is 12211124831. The reversal of 12211124790 is 9742111221.
It is a super-2 number, since 2×122111247902 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 407037493 = 12211124790 / (1 + 2 + 2 + 1 + 1 + 1 + 2 + 4 + 7 + 9 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203518717 + ... + 203518776.
It is an arithmetic number, because the mean of its divisors is an integer number (1831668723).
Almost surely, 212211124790 is an apocalyptic number.
12211124790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12211124790 is an abundant number, since it is smaller than the sum of its proper divisors (17095574778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12211124790 is a wasteful number, since it uses less digits than its factorization.
12211124790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 407037503.
The product of its (nonzero) digits is 2016, while the sum is 30.
The spelling of 12211124790 in words is "twelve billion, two hundred eleven million, one hundred twenty-four thousand, seven hundred ninety".
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