Base | Representation |
---|---|
bin | 11100111010011000… |
… | …010001001001110011 |
3 | 2222010112011100000021 |
4 | 130322120101021303 |
5 | 1002034304230230 |
6 | 22132253104311 |
7 | 2146206304465 |
oct | 347230211163 |
9 | 88115140007 |
10 | 31044211315 |
11 | 12190714497 |
12 | 6024788097 |
13 | 2c09811910 |
14 | 1706dc4135 |
15 | c1a63ec7a |
hex | 73a611273 |
31044211315 has 16 divisors (see below), whose sum is σ = 40167253728. Its totient is φ = 22897195776.
The previous prime is 31044211277. The next prime is 31044211381. The reversal of 31044211315 is 51311244013.
It is not a de Polignac number, because 31044211315 - 215 = 31044178547 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 31044211315.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235002 + ... + 342511.
It is an arithmetic number, because the mean of its divisors is an integer number (2510453358).
Almost surely, 231044211315 is an apocalyptic number.
31044211315 is a deficient number, since it is larger than the sum of its proper divisors (9123042413).
31044211315 is a wasteful number, since it uses less digits than its factorization.
31044211315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 578358.
The product of its (nonzero) digits is 1440, while the sum is 25.
Adding to 31044211315 its reverse (51311244013), we get a palindrome (82355455328).
The spelling of 31044211315 in words is "thirty-one billion, forty-four million, two hundred eleven thousand, three hundred fifteen".
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