Base | Representation |
---|---|
bin | 1110011101010011… |
… | …1000110100000001 |
3 | 101000110210212021000 |
4 | 3213110320310001 |
5 | 30422014344411 |
6 | 1441035322213 |
7 | 165114030123 |
oct | 34724706401 |
9 | 11013725230 |
10 | 3881012481 |
11 | 1711804135 |
12 | 9038b0369 |
13 | 49b0905b8 |
14 | 28b61d213 |
15 | 17aabe956 |
hex | e7538d01 |
3881012481 has 32 divisors (see below), whose sum is σ = 6079933440. Its totient is φ = 2442787200.
The previous prime is 3881012477. The next prime is 3881012549. The reversal of 3881012481 is 1842101883.
It is not a de Polignac number, because 3881012481 - 22 = 3881012477 is a prime.
It is a super-2 number, since 2×38810124812 = 30124515755355550722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3881012441) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22230 + ... + 90863.
It is an arithmetic number, because the mean of its divisors is an integer number (189997920).
Almost surely, 23881012481 is an apocalyptic number.
3881012481 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
3881012481 is a deficient number, since it is larger than the sum of its proper divisors (2198920959).
3881012481 is a wasteful number, since it uses less digits than its factorization.
3881012481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113174 (or 113168 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 3881012481 is about 62297.7726808912. The cubic root of 3881012481 is about 1571.5022716253.
The spelling of 3881012481 in words is "three billion, eight hundred eighty-one million, twelve thousand, four hundred eighty-one".
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