Base | Representation |
---|---|
bin | 10010100100100100… |
… | …11001100111010100 |
3 | 221201212020100202110 |
4 | 21102102121213110 |
5 | 130404421133222 |
6 | 4325210111020 |
7 | 502035523263 |
oct | 112222314724 |
9 | 27655210673 |
10 | 9970489812 |
11 | 4257099628 |
12 | 1b2311b470 |
13 | c2b85741a |
14 | 6a82805da |
15 | 3d54ce30c |
hex | 2524999d4 |
9970489812 has 12 divisors (see below), whose sum is σ = 23264476256. Its totient is φ = 3323496600.
The previous prime is 9970489777. The next prime is 9970489829. The reversal of 9970489812 is 2189840799.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415437064 + ... + 415437087.
Almost surely, 29970489812 is an apocalyptic number.
It is an amenable number.
9970489812 is an abundant number, since it is smaller than the sum of its proper divisors (13293986444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9970489812 is a wasteful number, since it uses less digits than its factorization.
9970489812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830874158 (or 830874156 counting only the distinct ones).
The product of its (nonzero) digits is 2612736, while the sum is 57.
The square root of 9970489812 is about 99852.3400426850. The cubic root of 9970489812 is about 2152.3133428584.
The spelling of 9970489812 in words is "nine billion, nine hundred seventy million, four hundred eighty-nine thousand, eight hundred twelve".
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