Base | Representation |
---|---|
bin | 110100100001101010101100… |
… | …111011010110011010101000 |
3 | 1010021221112101022212100111010 |
4 | 310201222230323112122220 |
5 | 220234400100112101440 |
6 | 2135153241530503520 |
7 | 66442032005662563 |
oct | 6441525473263250 |
9 | 1107845338770433 |
10 | 231012012222120 |
11 | 6767570a479598 |
12 | 21aab813594ba0 |
13 | 9bb945451a5ac |
14 | 41090808d74da |
15 | 1ba9244e66580 |
hex | d21aaced66a8 |
231012012222120 has 128 divisors (see below), whose sum is σ = 693944796672000. Its totient is φ = 61522471987200.
The previous prime is 231012012222073. The next prime is 231012012222143. The reversal of 231012012222120 is 21222210210132.
231012012222120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 313025716 + ... + 313762844.
It is an arithmetic number, because the mean of its divisors is an integer number (5421443724000).
Almost surely, 2231012012222120 is an apocalyptic number.
231012012222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
231012012222120 is an abundant number, since it is smaller than the sum of its proper divisors (462932784449880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231012012222120 is a wasteful number, since it uses less digits than its factorization.
231012012222120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740563 (or 740559 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 231012012222120 its reverse (21222210210132), we get a palindrome (252234222432252).
The spelling of 231012012222120 in words is "two hundred thirty-one trillion, twelve billion, twelve million, two hundred twenty-two thousand, one hundred twenty".
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