Base | Representation |
---|---|
bin | 1101011100100011000… |
… | …0000111011101000010 |
3 | 211002020212202002020210 |
4 | 3113020300013131002 |
5 | 12241042314321310 |
6 | 254042012014550 |
7 | 22455266564601 |
oct | 3271060073502 |
9 | 732225662223 |
10 | 231001323330 |
11 | 89a70252278 |
12 | 38929a61456 |
13 | 18a24c9588b |
14 | b2754dda38 |
15 | 601ee41820 |
hex | 35c8c07742 |
231001323330 has 64 divisors (see below), whose sum is σ = 558518688000. Its totient is φ = 61144554240.
The previous prime is 231001323313. The next prime is 231001323337. The reversal of 231001323330 is 33323100132.
It is a super-2 number, since 2×2310013233302 (a number of 24 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 231001323297 and 231001323306.
It is not an unprimeable number, because it can be changed into a prime (231001323337) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 2467416 + ... + 2559324.
It is an arithmetic number, because the mean of its divisors is an integer number (8726854500).
Almost surely, 2231001323330 is an apocalyptic number.
231001323330 is an abundant number, since it is smaller than the sum of its proper divisors (327517364670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231001323330 is a wasteful number, since it uses less digits than its factorization.
231001323330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92539.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 231001323330 its reverse (33323100132), we get a palindrome (264324423462).
The spelling of 231001323330 in words is "two hundred thirty-one billion, one million, three hundred twenty-three thousand, three hundred thirty".
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