Base | Representation |
---|---|
bin | 11100111000011110… |
… | …100010010100000001 |
3 | 2222001022010001221221 |
4 | 130320132202110001 |
5 | 1002003122100113 |
6 | 22125153115041 |
7 | 2145341125621 |
oct | 347036422401 |
9 | 88038101857 |
10 | 31012300033 |
11 | 121746a9030 |
12 | 6015b58a81 |
13 | 2c0301a9c0 |
14 | 1702a78881 |
15 | c1793998d |
hex | 7387a2501 |
31012300033 has 32 divisors (see below), whose sum is σ = 38217940992. Its totient is φ = 24761985600.
The previous prime is 31012300009. The next prime is 31012300051. The reversal of 31012300033 is 33000321013.
It is not a de Polignac number, because 31012300033 - 229 = 30475429121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31012300003) 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, 603516 + ... + 652882.
It is an arithmetic number, because the mean of its divisors is an integer number (1194310656).
Almost surely, 231012300033 is an apocalyptic number.
It is an amenable number.
31012300033 is a deficient number, since it is larger than the sum of its proper divisors (7205640959).
31012300033 is a wasteful number, since it uses less digits than its factorization.
31012300033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49605.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 31012300033 its reverse (33000321013), we get a palindrome (64012621046).
The spelling of 31012300033 in words is "thirty-one billion, twelve million, three hundred thousand, thirty-three".
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