Base | Representation |
---|---|
bin | 100000000110011101… |
… | …1110011010011011010 |
3 | 20120221022011000122120 |
4 | 1000030323303103122 |
5 | 2112140214324322 |
6 | 51400300002110 |
7 | 4660211261100 |
oct | 1001473632332 |
9 | 216838130576 |
10 | 68936479962 |
11 | 27265933799 |
12 | 1143a830336 |
13 | 6667cca25c |
14 | 349d691c70 |
15 | 1bd7083a5c |
hex | 100cef34da |
68936479962 has 96 divisors (see below), whose sum is σ = 163629029952. Its totient is φ = 19300571136.
The previous prime is 68936479933. The next prime is 68936479967. The reversal of 68936479962 is 26997463986.
It is not an unprimeable number, because it can be changed into a prime (68936479967) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3792648 + ... + 3810780.
It is an arithmetic number, because the mean of its divisors is an integer number (1704469062).
Almost surely, 268936479962 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68936479962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81814514976).
68936479962 is an abundant number, since it is smaller than the sum of its proper divisors (94692549990).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68936479962 is a wasteful number, since it uses less digits than its factorization.
68936479962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18412 (or 18405 counting only the distinct ones).
The product of its digits is 211631616, while the sum is 69.
The spelling of 68936479962 in words is "sixty-eight billion, nine hundred thirty-six million, four hundred seventy-nine thousand, nine hundred sixty-two".
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