Base | Representation |
---|---|
bin | 1110001100101110001011… |
… | …00101100011010010001110 |
3 | 11002112221010200021111012001 |
4 | 13012113011211203102032 |
5 | 13043031042122330110 |
6 | 150223502521502514 |
7 | 6401550520640545 |
oct | 706270545432216 |
9 | 132487120244161 |
10 | 31223432230030 |
11 | 9a48868556407 |
12 | 3603388341a3a |
13 | 1456484500711 |
14 | 79d31795715c |
15 | 3922d6c0263a |
hex | 1c65c596348e |
31223432230030 has 32 divisors (see below), whose sum is σ = 56463992889408. Its totient is φ = 12431230944000.
The previous prime is 31223432230027. The next prime is 31223432230063. The reversal of 31223432230030 is 3003223432213.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3942055 + ... + 8831005.
It is an arithmetic number, because the mean of its divisors is an integer number (1764499777794).
Almost surely, 231223432230030 is an apocalyptic number.
31223432230030 is a deficient number, since it is larger than the sum of its proper divisors (25240560659378).
31223432230030 is a wasteful number, since it uses less digits than its factorization.
31223432230030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4891932.
The product of its (nonzero) digits is 15552, while the sum is 28.
Adding to 31223432230030 its reverse (3003223432213), we get a palindrome (34226655662243).
The spelling of 31223432230030 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred thirty-two million, two hundred thirty thousand, thirty".
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