Base | Representation |
---|---|
bin | 1101011100111100111… |
… | …1001100011001010010 |
3 | 211002112110111012111210 |
4 | 3113033033030121102 |
5 | 12241303143231310 |
6 | 254100500120550 |
7 | 22461060502116 |
oct | 3271717143122 |
9 | 732473435453 |
10 | 231110133330 |
11 | 8a01671089a |
12 | 3895a396156 |
13 | 18a416a23ab |
14 | b285b45746 |
15 | 6029786820 |
hex | 35cf3cc652 |
231110133330 has 64 divisors (see below), whose sum is σ = 556463001600. Its totient is φ = 61429717440.
The previous prime is 231110133323. The next prime is 231110133343. The reversal of 231110133330 is 33331011132.
It is a junction number, because it is equal to n+sod(n) for n = 231110133297 and 231110133306.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22496095 + ... + 22506365.
It is an arithmetic number, because the mean of its divisors is an integer number (8694734400).
Almost surely, 2231110133330 is an apocalyptic number.
231110133330 is an abundant number, since it is smaller than the sum of its proper divisors (325352868270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231110133330 is a wasteful number, since it uses less digits than its factorization.
231110133330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12639.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 231110133330 its reverse (33331011132), we get a palindrome (264441144462).
The spelling of 231110133330 in words is "two hundred thirty-one billion, one hundred ten million, one hundred thirty-three thousand, three hundred thirty".
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