Base | Representation |
---|---|
bin | 100000011110000000101… |
… | …101101001110111110100 |
3 | 21220022020110202220022010 |
4 | 200132000231221313310 |
5 | 243024043323301020 |
6 | 4425004305004220 |
7 | 320126251431543 |
oct | 40360055516764 |
9 | 7808213686263 |
10 | 2231247478260 |
11 | 7902a303a989 |
12 | 300520323670 |
13 | 132537524448 |
14 | 79dc894815a |
15 | 3d08e843de0 |
hex | 20780b69df4 |
2231247478260 has 24 divisors (see below), whose sum is σ = 6247492939296. Its totient is φ = 594999327520.
The previous prime is 2231247478253. The next prime is 2231247478261. The reversal of 2231247478260 is 628747421322.
It is a super-3 number, since 3×22312474782603 (a number of 38 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231247478261) 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, 18593728926 + ... + 18593729045.
It is an arithmetic number, because the mean of its divisors is an integer number (260312205804).
Almost surely, 22231247478260 is an apocalyptic number.
2231247478260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2231247478260 is an abundant number, since it is smaller than the sum of its proper divisors (4016245461036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231247478260 is a wasteful number, since it uses less digits than its factorization.
2231247478260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37187457983 (or 37187457981 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 48.
The spelling of 2231247478260 in words is "two trillion, two hundred thirty-one billion, two hundred forty-seven million, four hundred seventy-eight thousand, two hundred sixty".
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