Base | Representation |
---|---|
bin | 1001110001111100… |
… | …0001000001111101 |
3 | 20202222002221100021 |
4 | 2130133001001331 |
5 | 20334044021011 |
6 | 1112302532141 |
7 | 122026221355 |
oct | 23437010175 |
9 | 6688087307 |
10 | 2625376381 |
11 | 1127a58151 |
12 | 613297051 |
13 | 32abb9564 |
14 | 1ac969b65 |
15 | 105744471 |
hex | 9c7c107d |
2625376381 has 2 divisors, whose sum is σ = 2625376382. Its totient is φ = 2625376380.
The previous prime is 2625376363. The next prime is 2625376387. The reversal of 2625376381 is 1836735262.
2625376381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2473470756 + 151905625 = 49734^2 + 12325^2 .
It is a cyclic number.
It is not a de Polignac number, because 2625376381 - 217 = 2625245309 is a prime.
It is a super-2 number, since 2×26253763812 = 13785202283825314322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2625376387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312688190 + 1312688191.
It is an arithmetic number, because the mean of its divisors is an integer number (1312688191).
Almost surely, 22625376381 is an apocalyptic number.
It is an amenable number.
2625376381 is a deficient number, since it is larger than the sum of its proper divisors (1).
2625376381 is an equidigital number, since it uses as much as digits as its factorization.
2625376381 is an evil number, because the sum of its binary digits is even.
The product of its digits is 362880, while the sum is 43.
The square root of 2625376381 is about 51238.4268005957. The cubic root of 2625376381 is about 1379.5280156200.
The spelling of 2625376381 in words is "two billion, six hundred twenty-five million, three hundred seventy-six thousand, three hundred eighty-one".
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