Base | Representation |
---|---|
bin | 11101000101101001… |
… | …010010100101011111 |
3 | 2222121200211010022022 |
4 | 131011221102211133 |
5 | 1002431201114012 |
6 | 22203124210355 |
7 | 2153663005130 |
oct | 350551224537 |
9 | 88550733268 |
10 | 31233223007 |
11 | 122783817a8 |
12 | 6077b399bb |
13 | 2c39a1c55c |
14 | 1724145c87 |
15 | c2c028472 |
hex | 745a5295f |
31233223007 has 16 divisors (see below), whose sum is σ = 36598662912. Its totient is φ = 26094847680.
The previous prime is 31233222997. The next prime is 31233223027. The reversal of 31233223007 is 70032233213.
It is a cyclic number.
It is not a de Polignac number, because 31233223007 - 216 = 31233157471 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31233223027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273848 + ... + 370754.
It is an arithmetic number, because the mean of its divisors is an integer number (2287416432).
Almost surely, 231233223007 is an apocalyptic number.
31233223007 is a deficient number, since it is larger than the sum of its proper divisors (5365439905).
31233223007 is a wasteful number, since it uses less digits than its factorization.
31233223007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98078.
The product of its (nonzero) digits is 4536, while the sum is 26.
The spelling of 31233223007 in words is "thirty-one billion, two hundred thirty-three million, two hundred twenty-three thousand, seven".
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