Base | Representation |
---|---|
bin | 1100111111001110… |
… | …01000010001001000 |
3 | 122222221120001022101 |
4 | 12133213020101020 |
5 | 103240014131440 |
6 | 3111523203144 |
7 | 334535561104 |
oct | 63747102110 |
9 | 18887501271 |
10 | 6972802120 |
11 | 2a58a68489 |
12 | 14272164b4 |
13 | 8717a251b |
14 | 4a20ba904 |
15 | 2ac24569a |
hex | 19f9c8448 |
6972802120 has 32 divisors (see below), whose sum is σ = 15712039800. Its totient is φ = 2784990208.
The previous prime is 6972802117. The next prime is 6972802121. The reversal of 6972802120 is 212082796.
It can be written as a sum of positive squares in 4 ways, for example, as 6241316004 + 731486116 = 79002^2 + 27046^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 6972802120.
It is not an unprimeable number, because it can be changed into a prime (6972802121) 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, 101665 + ... + 155824.
Almost surely, 26972802120 is an apocalyptic number.
It is an amenable number.
6972802120 is an abundant number, since it is smaller than the sum of its proper divisors (8739237680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6972802120 is a wasteful number, since it uses less digits than its factorization.
6972802120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258177 (or 258173 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 37.
The square root of 6972802120 is about 83503.3060423358. The cubic root of 6972802120 is about 1910.4504588887.
The spelling of 6972802120 in words is "six billion, nine hundred seventy-two million, eight hundred two thousand, one hundred twenty".
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