Base | Representation |
---|---|
bin | 1011001110001101… |
… | …0101000010100001 |
3 | 21202221022220110100 |
4 | 2303203111002201 |
5 | 22132132223011 |
6 | 1214525453013 |
7 | 134435555244 |
oct | 26343250241 |
9 | 7687286410 |
10 | 3012382881 |
11 | 1306458932 |
12 | 700a11169 |
13 | 39012b8a1 |
14 | 20810b25b |
15 | 1296dcd56 |
hex | b38d50a1 |
3012382881 has 12 divisors (see below), whose sum is σ = 4607174052. Its totient is φ = 1890122496.
The previous prime is 3012382853. The next prime is 3012382909. The reversal of 3012382881 is 1882832103.
It is an interprime number because it is at equal distance from previous prime (3012382853) and next prime (3012382909).
It can be written as a sum of positive squares in 2 ways, for example, as 2546211600 + 466171281 = 50460^2 + 21591^2 .
It is not a de Polignac number, because 3012382881 - 27 = 3012382753 is a prime.
It is a super-2 number, since 2×30123828812 = 18148901243483720322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (3012382811) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9844236 + ... + 9844541.
It is an arithmetic number, because the mean of its divisors is an integer number (383931171).
Almost surely, 23012382881 is an apocalyptic number.
It is an amenable number.
3012382881 is a deficient number, since it is larger than the sum of its proper divisors (1594791171).
3012382881 is a wasteful number, since it uses less digits than its factorization.
3012382881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19688800 (or 19688797 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 3012382881 is about 54885.1790650263. The cubic root of 3012382881 is about 1444.2312024128.
The spelling of 3012382881 in words is "three billion, twelve million, three hundred eighty-two thousand, eight hundred eighty-one".
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