Base | Representation |
---|---|
bin | 1001011000010110100111… |
… | …10101000000101111101100 |
3 | 2201001000102212111120112220 |
4 | 10230023103311000233230 |
5 | 10200432104113012102 |
6 | 111512211043355340 |
7 | 4226215513103115 |
oct | 454132365005754 |
9 | 81030385446486 |
10 | 20627986844652 |
11 | 6633309892210 |
12 | 2391a13082b50 |
13 | b68298204145 |
14 | 51458542920c |
15 | 25b8abc1c1bc |
hex | 12c2d3d40bec |
20627986844652 has 96 divisors (see below), whose sum is σ = 52686239311104. Its totient is φ = 6229675008000.
The previous prime is 20627986844639. The next prime is 20627986844669. The reversal of 20627986844652 is 25644868972602.
It is a super-2 number, since 2×206279868446522 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45549243 + ... + 45999885.
It is an arithmetic number, because the mean of its divisors is an integer number (548814992824).
Almost surely, 220627986844652 is an apocalyptic number.
20627986844652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20627986844652 is an abundant number, since it is smaller than the sum of its proper divisors (32058252466452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20627986844652 is a wasteful number, since it uses less digits than its factorization.
20627986844652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 451839 (or 451837 counting only the distinct ones).
The product of its (nonzero) digits is 557383680, while the sum is 69.
The spelling of 20627986844652 in words is "twenty trillion, six hundred twenty-seven billion, nine hundred eighty-six million, eight hundred forty-four thousand, six hundred fifty-two".
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