Base | Representation |
---|---|
bin | 100001001010001… |
… | …1111100100000100 |
3 | 2212112200102010111 |
4 | 1002110133210010 |
5 | 4234320342140 |
6 | 302224202404 |
7 | 36400345153 |
oct | 10224374404 |
9 | 2775612114 |
10 | 1112668420 |
11 | 521088286 |
12 | 270769404 |
13 | 149697ca6 |
14 | a7ab959a |
15 | 67a397ea |
hex | 4251f904 |
1112668420 has 24 divisors (see below), whose sum is σ = 2351493144. Its totient is φ = 442231296.
The previous prime is 1112668391. The next prime is 1112668429. The reversal of 1112668420 is 248662111.
It can be written as a sum of positive squares in 4 ways, for example, as 275029056 + 837639364 = 16584^2 + 28942^2 .
It is not an unprimeable number, because it can be changed into a prime (1112668429) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174037 + ... + 180316.
It is an arithmetic number, because the mean of its divisors is an integer number (97978881).
Almost surely, 21112668420 is an apocalyptic number.
1112668420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1112668420 is an abundant number, since it is smaller than the sum of its proper divisors (1238824724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1112668420 is a wasteful number, since it uses less digits than its factorization.
1112668420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354519 (or 354517 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 1112668420 is about 33356.6847873106. The cubic root of 1112668420 is about 1036.2278348365.
The spelling of 1112668420 in words is "one billion, one hundred twelve million, six hundred sixty-eight thousand, four hundred twenty".
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