Base | Representation |
---|---|
bin | 111011111111010… |
… | …1000100101111100 |
3 | 12012021122022112110 |
4 | 1313332220211330 |
5 | 13110301023100 |
6 | 531423334020 |
7 | 100611302103 |
oct | 16776504574 |
9 | 5167568473 |
10 | 2012907900 |
11 | 943263553 |
12 | 482151310 |
13 | 261046683 |
14 | 15149903a |
15 | bbab2250 |
hex | 77fa897c |
2012907900 has 36 divisors (see below), whose sum is σ = 5824014392. Its totient is φ = 536775360.
The previous prime is 2012907889. The next prime is 2012907907. The reversal of 2012907900 is 97092102.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012907907) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3354547 + ... + 3355146.
Almost surely, 22012907900 is an apocalyptic number.
2012907900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2012907900 is an abundant number, since it is smaller than the sum of its proper divisors (3811106492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2012907900 is a wasteful number, since it uses less digits than its factorization.
2012907900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6709710 (or 6709703 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 2012907900 is about 44865.4421576340. The cubic root of 2012907900 is about 1262.6257287458.
The spelling of 2012907900 in words is "two billion, twelve million, nine hundred seven thousand, nine hundred".
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