Base | Representation |
---|---|
bin | 111110111100100… |
… | …0100111011111111 |
3 | 12110012022112022102 |
4 | 1331321010323333 |
5 | 13311200130211 |
6 | 545325535315 |
7 | 103224451010 |
oct | 17571047377 |
9 | 5405275272 |
10 | 2112114431 |
11 | 994262919 |
12 | 4ab41453b |
13 | 27876cc6b |
14 | 160721007 |
15 | c565ba3b |
hex | 7de44eff |
2112114431 has 16 divisors (see below), whose sum is σ = 2432755968. Its totient is φ = 1796256000.
The previous prime is 2112114427. The next prime is 2112114439. The reversal of 2112114431 is 1344112112.
It is not a de Polignac number, because 2112114431 - 22 = 2112114427 is a prime.
It is a super-2 number, since 2×21121144312 = 8922054739276907522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112114439) 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, 519356 + ... + 523406.
It is an arithmetic number, because the mean of its divisors is an integer number (152047248).
Almost surely, 22112114431 is an apocalyptic number.
2112114431 is a deficient number, since it is larger than the sum of its proper divisors (320641537).
2112114431 is a wasteful number, since it uses less digits than its factorization.
2112114431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4622.
The product of its digits is 192, while the sum is 20.
The square root of 2112114431 is about 45957.7461479564. The cubic root of 2112114431 is about 1283.0369033829.
Adding to 2112114431 its reverse (1344112112), we get a palindrome (3456226543).
The spelling of 2112114431 in words is "two billion, one hundred twelve million, one hundred fourteen thousand, four hundred thirty-one".
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