Base | Representation |
---|---|
bin | 1001011111111011001101… |
… | …01011101001111111100100 |
3 | 2201221212221222220012002100 |
4 | 10233331212223221333210 |
5 | 10214212412030240201 |
6 | 112231514422412100 |
7 | 4254055540162014 |
oct | 457754653517744 |
9 | 81855858805070 |
10 | 20888148680676 |
11 | 6723683417252 |
12 | 241431a891030 |
13 | b86989664854 |
14 | 522dc5689c44 |
15 | 263536c10886 |
hex | 12ff66ae9fe4 |
20888148680676 has 36 divisors (see below), whose sum is σ = 52920872804800. Its totient is φ = 6946855820208.
The previous prime is 20888148680647. The next prime is 20888148680689. The reversal of 20888148680676 is 67608684188802.
20888148680676 is a `hidden beast` number, since 2 + 0 + 8 + 8 + 8 + 1 + 486 + 80 + 67 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660834256 + ... + 660865863.
Almost surely, 220888148680676 is an apocalyptic number.
It is an amenable number.
20888148680676 is an abundant number, since it is smaller than the sum of its proper divisors (32032724124124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20888148680676 is a wasteful number, since it uses less digits than its factorization.
20888148680676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1321700568 (or 1321700563 counting only the distinct ones).
The product of its (nonzero) digits is 396361728, while the sum is 72.
The spelling of 20888148680676 in words is "twenty trillion, eight hundred eighty-eight billion, one hundred forty-eight million, six hundred eighty thousand, six hundred seventy-six".
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