Base | Representation |
---|---|
bin | 1000100111001110… |
… | …0101001011011100 |
3 | 12222010102210001210 |
4 | 2021303211023130 |
5 | 14213333001340 |
6 | 1021230104420 |
7 | 111202451265 |
oct | 21163451334 |
9 | 5863383053 |
10 | 2312000220 |
11 | a87077a92 |
12 | 54634b110 |
13 | 2aacb728a |
14 | 17d0b396c |
15 | d7e92180 |
hex | 89ce52dc |
2312000220 has 48 divisors (see below), whose sum is σ = 6517072800. Its totient is φ = 612393216.
The previous prime is 2312000203. The next prime is 2312000231. The reversal of 2312000220 is 220002132.
2312000220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 2312000196 and 2312000205.
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, 120367 + ... + 138246.
It is an arithmetic number, because the mean of its divisors is an integer number (135772350).
Almost surely, 22312000220 is an apocalyptic number.
2312000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2312000220 is an abundant number, since it is smaller than the sum of its proper divisors (4205072580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2312000220 is a wasteful number, since it uses less digits than its factorization.
2312000220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258774 (or 258772 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 2312000220 is about 48083.2634083836. The cubic root of 2312000220 is about 1322.2978456330.
Adding to 2312000220 its reverse (220002132), we get a palindrome (2532002352).
The spelling of 2312000220 in words is "two billion, three hundred twelve million, two hundred twenty", and thus it is an aban number.
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