Base | Representation |
---|---|
bin | 1001001101100110… |
… | …0000010110110001 |
3 | 20101100021012122212 |
4 | 2103121200112301 |
5 | 20031032440011 |
6 | 1045215341505 |
7 | 115165421342 |
oct | 22331402661 |
9 | 6340235585 |
10 | 2472936881 |
11 | 10599aa098 |
12 | 590221895 |
13 | 30544517c |
14 | 1966080c9 |
15 | e718208b |
hex | 936605b1 |
2472936881 has 2 divisors, whose sum is σ = 2472936882. Its totient is φ = 2472936880.
The previous prime is 2472936877. The next prime is 2472936899. The reversal of 2472936881 is 1886392742.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1306099600 + 1166837281 = 36140^2 + 34159^2 .
It is a cyclic number.
It is not a de Polignac number, because 2472936881 - 22 = 2472936877 is a prime.
It is a super-2 number, since 2×24729368812 = 12230833634820016322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2472936581) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236468440 + 1236468441.
It is an arithmetic number, because the mean of its divisors is an integer number (1236468441).
Almost surely, 22472936881 is an apocalyptic number.
It is an amenable number.
2472936881 is a deficient number, since it is larger than the sum of its proper divisors (1).
2472936881 is an equidigital number, since it uses as much as digits as its factorization.
2472936881 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1161216, while the sum is 50.
The square root of 2472936881 is about 49728.6324062908. The cubic root of 2472936881 is about 1352.2936556863.
The spelling of 2472936881 in words is "two billion, four hundred seventy-two million, nine hundred thirty-six thousand, eight hundred eighty-one".
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