Base | Representation |
---|---|
bin | 1011110100011111110… |
… | …0100011111010100000 |
3 | 201102011100000022110010 |
4 | 2331013330203322200 |
5 | 11311342023132432 |
6 | 233142254004520 |
7 | 20446163643153 |
oct | 2750774437240 |
9 | 642140008403 |
10 | 203070520992 |
11 | 79138019059 |
12 | 33433aa6740 |
13 | 161c34c53c1 |
14 | 9b85c03c9a |
15 | 5437ce83cc |
hex | 2f47f23ea0 |
203070520992 has 48 divisors (see below), whose sum is σ = 543117869280. Its totient is φ = 66412998912.
The previous prime is 203070520973. The next prime is 203070521023. The reversal of 203070520992 is 299025070302.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 203070520992.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19950742 + ... + 19960917.
It is an arithmetic number, because the mean of its divisors is an integer number (11314955610).
Almost surely, 2203070520992 is an apocalyptic number.
It is an amenable number.
203070520992 is an abundant number, since it is smaller than the sum of its proper divisors (340047348288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203070520992 is a wasteful number, since it uses less digits than its factorization.
203070520992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39911725 (or 39911717 counting only the distinct ones).
The product of its (nonzero) digits is 68040, while the sum is 39.
The spelling of 203070520992 in words is "two hundred three billion, seventy million, five hundred twenty thousand, nine hundred ninety-two".
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