Base | Representation |
---|---|
bin | 100000000010000100… |
… | …1100110101111000000 |
3 | 20120120000211112020000 |
4 | 1000010021212233000 |
5 | 2111340002303202 |
6 | 51333513120000 |
7 | 4653441506211 |
oct | 1000411465700 |
9 | 216500745200 |
10 | 68789103552 |
11 | 2719a723704 |
12 | 113b93b9000 |
13 | 6643609590 |
14 | 3487c8b408 |
15 | 1bc917191c |
hex | 1004266bc0 |
68789103552 has 560 divisors, whose sum is σ = 235292127840. Its totient is φ = 19683606528.
The previous prime is 68789103521. The next prime is 68789103589. The reversal of 68789103552 is 25530198786.
68789103552 is a `hidden beast` number, since 6 + 8 + 7 + 89 + 1 + 0 + 3 + 552 = 666.
It is a super-4 number, since 4×687891035524 (a number of 44 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 111129099 + ... + 111129717.
It is an arithmetic number, because the mean of its divisors is an integer number (420164514).
Almost surely, 268789103552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68789103552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117646063920).
68789103552 is an abundant number, since it is smaller than the sum of its proper divisors (166503024288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68789103552 is a wasteful number, since it uses less digits than its factorization.
68789103552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 770 (or 751 counting only the distinct ones).
The product of its (nonzero) digits is 3628800, while the sum is 54.
The spelling of 68789103552 in words is "sixty-eight billion, seven hundred eighty-nine million, one hundred three thousand, five hundred fifty-two".
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