Base | Representation |
---|---|
bin | 1001011011111100111111… |
… | …11011110010001010011010 |
3 | 2201110211200120122212220022 |
4 | 10231332133323302022122 |
5 | 10204443410041200112 |
6 | 112045104040230442 |
7 | 4241154506543000 |
oct | 455763773621232 |
9 | 81424616585808 |
10 | 20751670256282 |
11 | 6680808956a79 |
12 | 23b199046b422 |
13 | b76b49554804 |
14 | 51a559a34a70 |
15 | 25ebea25dd72 |
hex | 12df9fef229a |
20751670256282 has 64 divisors (see below), whose sum is σ = 36405265536000. Its totient is φ = 8867888507520.
The previous prime is 20751670256281. The next prime is 20751670256287. The reversal of 20751670256282 is 28265207615702.
It is a happy number.
It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (20751670256281) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385111982 + ... + 385165862.
It is an arithmetic number, because the mean of its divisors is an integer number (568832274000).
Almost surely, 220751670256282 is an apocalyptic number.
20751670256282 is a deficient number, since it is larger than the sum of its proper divisors (15653595279718).
20751670256282 is a wasteful number, since it uses less digits than its factorization.
20751670256282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55516 (or 55502 counting only the distinct ones).
The product of its (nonzero) digits is 5644800, while the sum is 53.
The spelling of 20751670256282 in words is "twenty trillion, seven hundred fifty-one billion, six hundred seventy million, two hundred fifty-six thousand, two hundred eighty-two".
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