Base | Representation |
---|---|
bin | 1001011001100110101001… |
… | …10000010100001101101000 |
3 | 2201012010100012010212002120 |
4 | 10230303110300110031220 |
5 | 10202133102212020343 |
6 | 111544034305231240 |
7 | 4232266314326622 |
oct | 454632460241550 |
9 | 81163305125076 |
10 | 20670952063848 |
11 | 664a557605329 |
12 | 239a204032520 |
13 | b6c3546b0b78 |
14 | 51669d747c12 |
15 | 25ca73bc7683 |
hex | 12ccd4c14368 |
20670952063848 has 64 divisors (see below), whose sum is σ = 53100970796160. Its totient is φ = 6700694075136.
The previous prime is 20670952063847. The next prime is 20670952063859. The reversal of 20670952063848 is 84836025907602.
It is a junction number, because it is equal to n+sod(n) for n = 20670952063791 and 20670952063800.
It is not an unprimeable number, because it can be changed into a prime (20670952063847) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4147140 + ... + 7651187.
It is an arithmetic number, because the mean of its divisors is an integer number (829702668690).
Almost surely, 220670952063848 is an apocalyptic number.
It is an amenable number.
20670952063848 is an abundant number, since it is smaller than the sum of its proper divisors (32430018732312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20670952063848 is a wasteful number, since it uses less digits than its factorization.
20670952063848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11800346 (or 11800342 counting only the distinct ones).
The product of its (nonzero) digits is 34836480, while the sum is 60.
The spelling of 20670952063848 in words is "twenty trillion, six hundred seventy billion, nine hundred fifty-two million, sixty-three thousand, eight hundred forty-eight".
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