Base | Representation |
---|---|
bin | 1011010010110011… |
… | …1000011100101111 |
3 | 21211021121111202211 |
4 | 2310230320130233 |
5 | 22202101230211 |
6 | 1220455031251 |
7 | 135061502545 |
oct | 26454703457 |
9 | 7737544684 |
10 | 3031664431 |
11 | 13163283a4 |
12 | 70736b527 |
13 | 39411cca3 |
14 | 20a8c9d95 |
15 | 12b24ae21 |
hex | b4b3872f |
3031664431 has 4 divisors (see below), whose sum is σ = 3163475952. Its totient is φ = 2899852912.
The previous prime is 3031664413. The next prime is 3031664483. The reversal of 3031664431 is 1344661303.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3031664431 - 25 = 3031664399 is a prime.
It is a super-2 number, since 2×30316644312 = 18381978444381107522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3031664393 and 3031664402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3031664411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65905726 + ... + 65905771.
It is an arithmetic number, because the mean of its divisors is an integer number (790868988).
Almost surely, 23031664431 is an apocalyptic number.
3031664431 is a deficient number, since it is larger than the sum of its proper divisors (131811521).
3031664431 is a wasteful number, since it uses less digits than its factorization.
3031664431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131811520.
The product of its (nonzero) digits is 15552, while the sum is 31.
The square root of 3031664431 is about 55060.5524036946. The cubic root of 3031664431 is about 1447.3060453265.
The spelling of 3031664431 in words is "three billion, thirty-one million, six hundred sixty-four thousand, four hundred thirty-one".
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