Base | Representation |
---|---|
bin | 10111111000000010… |
… | …01001011101010000 |
3 | 1020002022111122012200 |
4 | 23330001021131100 |
5 | 202222413001104 |
6 | 5515532123200 |
7 | 632434000110 |
oct | 137401113520 |
9 | 36068448180 |
10 | 12818093904 |
11 | 5488530740 |
12 | 2598906500 |
13 | 12937b1365 |
14 | 898537040 |
15 | 5004bdb39 |
hex | 2fc049750 |
12818093904 has 120 divisors (see below), whose sum is σ = 44724643392. Its totient is φ = 3329372160.
The previous prime is 12818093879. The next prime is 12818093909. The reversal of 12818093904 is 40939081821.
It is a super-2 number, since 2×128180939042 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12818093904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12818093909) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 566929 + ... + 589104.
Almost surely, 212818093904 is an apocalyptic number.
12818093904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
12818093904 is an abundant number, since it is smaller than the sum of its proper divisors (31906549488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12818093904 is a wasteful number, since it uses less digits than its factorization.
12818093904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1156065 (or 1156056 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 45.
The spelling of 12818093904 in words is "twelve billion, eight hundred eighteen million, ninety-three thousand, nine hundred four".
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