Base | Representation |
---|---|
bin | 10111101010000111… |
… | …11101110101011100 |
3 | 1012210011220120121002 |
4 | 23311003331311130 |
5 | 202003024022340 |
6 | 5500202525432 |
7 | 626516024006 |
oct | 136503756534 |
9 | 35704816532 |
10 | 12701392220 |
11 | 5428671a70 |
12 | 2565806878 |
13 | 12755707ca |
14 | 886c39376 |
15 | 4e511a715 |
hex | 2f50fdd5c |
12701392220 has 24 divisors (see below), whose sum is σ = 29097735408. Its totient is φ = 4618688000.
The previous prime is 12701392163. The next prime is 12701392271. The reversal of 12701392220 is 2229310721.
It is a super-2 number, since 2×127013922202 (a number of 21 digits) contains 22 as substring.
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, 28866581 + ... + 28867020.
It is an arithmetic number, because the mean of its divisors is an integer number (1212405642).
Almost surely, 212701392220 is an apocalyptic number.
12701392220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12701392220 is an abundant number, since it is smaller than the sum of its proper divisors (16396343188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12701392220 is a wasteful number, since it uses less digits than its factorization.
12701392220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57733621 (or 57733619 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 29.
The spelling of 12701392220 in words is "twelve billion, seven hundred one million, three hundred ninety-two thousand, two hundred twenty".
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