Base | Representation |
---|---|
bin | 10110111001000111… |
… | …10100011000000100 |
3 | 1011201112101112010001 |
4 | 23130203310120010 |
5 | 200132304433214 |
6 | 5351320011044 |
7 | 613364632330 |
oct | 133443643004 |
9 | 34645345101 |
10 | 12290311684 |
11 | 5237619092 |
12 | 2470000a84 |
13 | 120b34c8a1 |
14 | 8483cc7c0 |
15 | 4bdeb8c74 |
hex | 2dc8f4604 |
12290311684 has 24 divisors (see below), whose sum is σ = 24668114688. Its totient is φ = 5248528320.
The previous prime is 12290311673. The next prime is 12290311711. The reversal of 12290311684 is 48611309221.
It is a super-2 number, since 2×122903116842 (a number of 21 digits) contains 22 as substring.
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, 773164 + ... + 788899.
It is an arithmetic number, because the mean of its divisors is an integer number (1027838112).
Almost surely, 212290311684 is an apocalyptic number.
12290311684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12290311684 is an abundant number, since it is smaller than the sum of its proper divisors (12377803004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12290311684 is a wasteful number, since it uses less digits than its factorization.
12290311684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1562355 (or 1562353 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 37.
The spelling of 12290311684 in words is "twelve billion, two hundred ninety million, three hundred eleven thousand, six hundred eighty-four".
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