Base | Representation |
---|---|
bin | 10110111000011011… |
… | …11000100101111110 |
3 | 1011201010120101202000 |
4 | 23130031320211332 |
5 | 200124321434130 |
6 | 5350552443130 |
7 | 613265023644 |
oct | 133415704576 |
9 | 34633511660 |
10 | 12284561790 |
11 | 5234351106 |
12 | 246a0a94a6 |
13 | 120a0b8697 |
14 | 847733194 |
15 | 4bd730260 |
hex | 2dc37897e |
12284561790 has 64 divisors (see below), whose sum is σ = 32768928000. Its totient is φ = 3274873632.
The previous prime is 12284561789. The next prime is 12284561831. The reversal of 12284561790 is 9716548221.
12284561790 is a `hidden beast` number, since 1 + 2 + 2 + 84 + 561 + 7 + 9 + 0 = 666.
12284561790 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372269 + ... + 1381191.
It is an arithmetic number, because the mean of its divisors is an integer number (512014500).
Almost surely, 212284561790 is an apocalyptic number.
12284561790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12284561790 is an abundant number, since it is smaller than the sum of its proper divisors (20484366210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12284561790 is a wasteful number, since it uses less digits than its factorization.
12284561790 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14038 (or 14032 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 45.
The spelling of 12284561790 in words is "twelve billion, two hundred eighty-four million, five hundred sixty-one thousand, seven hundred ninety".
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