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20888148680676 = 22324391321700119
BaseRepresentation
bin1001011111111011001101…
…01011101001111111100100
32201221212221222220012002100
410233331212223221333210
510214212412030240201
6112231514422412100
74254055540162014
oct457754653517744
981855858805070
1020888148680676
116723683417252
12241431a891030
13b86989664854
14522dc5689c44
15263536c10886
hex12ff66ae9fe4

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".

Divisors: 1 2 3 4 6 9 12 18 36 439 878 1317 1756 2634 3951 5268 7902 15804 1321700119 2643400238 3965100357 5286800476 7930200714 11895301071 15860401428 23790602142 47581204284 580226352241 1160452704482 1740679056723 2320905408964 3481358113446 5222037170169 6962716226892 10444074340338 20888148680676