Base | Representation |
---|---|
bin | 10111111001111001… |
… | …11101101100101100 |
3 | 1020010102000021210001 |
4 | 23330330331230230 |
5 | 202240421240010 |
6 | 5521252154044 |
7 | 633014165560 |
oct | 137474755454 |
9 | 36112007701 |
10 | 12833774380 |
11 | 5496370709 |
12 | 25a2008924 |
13 | 1296b1164b |
14 | 89a6596a0 |
15 | 501a69c3a |
hex | 2fcf3db2c |
12833774380 has 24 divisors (see below), whose sum is σ = 30801058848. Its totient is φ = 4400151168.
The previous prime is 12833774311. The next prime is 12833774381. The reversal of 12833774380 is 8347733821.
It is a self number, because there is not a number n which added to its sum of digits gives 12833774380.
It is not an unprimeable number, because it can be changed into a prime (12833774381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45834769 + ... + 45835048.
It is an arithmetic number, because the mean of its divisors is an integer number (1283377452).
Almost surely, 212833774380 is an apocalyptic number.
12833774380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12833774380 is an abundant number, since it is smaller than the sum of its proper divisors (17967284468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12833774380 is a wasteful number, since it uses less digits than its factorization.
12833774380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91669833 (or 91669831 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 46.
The spelling of 12833774380 in words is "twelve billion, eight hundred thirty-three million, seven hundred seventy-four thousand, three hundred eighty".
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