Base | Representation |
---|---|
bin | 100001101001001111001… |
… | …101000100100111111000 |
3 | 22012000201201211202001110 |
4 | 201221033031010213320 |
5 | 300340004413411440 |
6 | 4530043342520320 |
7 | 326016020134365 |
oct | 41511715044770 |
9 | 8160651752043 |
10 | 2312021232120 |
11 | 811582790766 |
12 | 3141032960a0 |
13 | 13a03aa4c982 |
14 | 7dc8c37946c |
15 | 4021ac03080 |
hex | 21a4f3449f8 |
2312021232120 has 64 divisors (see below), whose sum is σ = 6966619125120. Its totient is φ = 613822957184.
The previous prime is 2312021232107. The next prime is 2312021232127. The reversal of 2312021232120 is 212321202132.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2312021232127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42410742 + ... + 42465221.
It is an arithmetic number, because the mean of its divisors is an integer number (108853423830).
Almost surely, 22312021232120 is an apocalyptic number.
2312021232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2312021232120 is an abundant number, since it is smaller than the sum of its proper divisors (4654597893000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2312021232120 is a wasteful number, since it uses less digits than its factorization.
2312021232120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84876204 (or 84876200 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 2312021232120 its reverse (212321202132), we get a palindrome (2524342434252).
The spelling of 2312021232120 in words is "two trillion, three hundred twelve billion, twenty-one million, two hundred thirty-two thousand, one hundred twenty".
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