Base | Representation |
---|---|
bin | 101110100000101… |
… | …011110101110000 |
3 | 2000101022100221220 |
4 | 232200223311300 |
5 | 3044230220422 |
6 | 205232545040 |
7 | 25223416515 |
oct | 5640536560 |
9 | 2011270856 |
10 | 780320112 |
11 | 37051a060 |
12 | 1993b2180 |
13 | c58823a0 |
14 | 758c530c |
15 | 4878ae5c |
hex | 2e82bd70 |
780320112 has 80 divisors (see below), whose sum is σ = 2368265088. Its totient is φ = 218269440.
The previous prime is 780320087. The next prime is 780320117. The reversal of 780320112 is 211023087.
780320112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (780320117) 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, 49978 + ... + 63705.
Almost surely, 2780320112 is an apocalyptic number.
It is an amenable number.
780320112 is an abundant number, since it is smaller than the sum of its proper divisors (1587944976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
780320112 is a wasteful number, since it uses less digits than its factorization.
780320112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113718 (or 113712 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 24.
The square root of 780320112 is about 27934.2104237797. The cubic root of 780320112 is about 920.6423176734.
Adding to 780320112 its reverse (211023087), we get a palindrome (991343199).
The spelling of 780320112 in words is "seven hundred eighty million, three hundred twenty thousand, one hundred twelve".
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