Base | Representation |
---|---|
bin | 1110011101010010… |
… | …0110011110100101 |
3 | 101000110200001020112 |
4 | 3213110212132211 |
5 | 30422004444011 |
6 | 1441033542405 |
7 | 165113265146 |
oct | 34724463645 |
9 | 11013601215 |
10 | 3880937381 |
11 | 1711762772 |
12 | 903874a05 |
13 | 49b065369 |
14 | 28b5ddacd |
15 | 17aaa758b |
hex | e75267a5 |
3880937381 has 2 divisors, whose sum is σ = 3880937382. Its totient is φ = 3880937380.
The previous prime is 3880937273. The next prime is 3880937387. The reversal of 3880937381 is 1837390883.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 3839785156 + 41152225 = 61966^2 + 6415^2 .
It is a cyclic number.
It is not a de Polignac number, because 3880937381 - 222 = 3876743077 is a prime.
It is a super-2 number, since 2×38809373812 = 30123349910486278322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (3880937387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1940468690 + 1940468691.
It is an arithmetic number, because the mean of its divisors is an integer number (1940468691).
Almost surely, 23880937381 is an apocalyptic number.
It is an amenable number.
3880937381 is a deficient number, since it is larger than the sum of its proper divisors (1).
3880937381 is an equidigital number, since it uses as much as digits as its factorization.
3880937381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 870912, while the sum is 50.
The square root of 3880937381 is about 62297.1699276941. The cubic root of 3880937381 is about 1571.4921350451.
The spelling of 3880937381 in words is "three billion, eight hundred eighty million, nine hundred thirty-seven thousand, three hundred eighty-one".
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