Base | Representation |
---|---|
bin | 111110111101000… |
… | …0001100100010100 |
3 | 12110012210010222020 |
4 | 1331322001210110 |
5 | 13311231102042 |
6 | 545335133140 |
7 | 103226534022 |
oct | 17572014424 |
9 | 5405703866 |
10 | 2112362772 |
11 | 994412463 |
12 | 4ab5141b0 |
13 | 278829000 |
14 | 160787712 |
15 | c56aa3ec |
hex | 7de81914 |
2112362772 has 96 divisors (see below), whose sum is σ = 5621750400. Its totient is φ = 615603456.
The previous prime is 2112362767. The next prime is 2112362779. The reversal of 2112362772 is 2772632112.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112362779) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498808 + ... + 503024.
It is an arithmetic number, because the mean of its divisors is an integer number (58559900).
Almost surely, 22112362772 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2112362772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810875200).
2112362772 is an abundant number, since it is smaller than the sum of its proper divisors (3509387628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112362772 is a wasteful number, since it uses less digits than its factorization.
2112362772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4282 (or 4254 counting only the distinct ones).
The product of its digits is 14112, while the sum is 33.
The square root of 2112362772 is about 45960.4479090446. The cubic root of 2112362772 is about 1283.0871876187.
Adding to 2112362772 its reverse (2772632112), we get a palindrome (4884994884).
The spelling of 2112362772 in words is "two billion, one hundred twelve million, three hundred sixty-two thousand, seven hundred seventy-two".
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