Base | Representation |
---|---|
bin | 100000100001001111… |
… | …1110011011001010000 |
3 | 20200020221002011021101 |
4 | 1001002133303121100 |
5 | 2121010242004333 |
6 | 52025400434144 |
7 | 5021402432461 |
oct | 1010237633120 |
9 | 220227064241 |
10 | 69835109968 |
11 | 2768710a818 |
12 | 1164b778954 |
13 | 677c2341a0 |
14 | 3546b72d68 |
15 | 1c3adde67d |
hex | 10427f3650 |
69835109968 has 80 divisors (see below), whose sum is σ = 147236576256. Its totient is φ = 31896506880.
The previous prime is 69835109951. The next prime is 69835109977. The reversal of 69835109968 is 86990153896.
It is a happy number.
It is a super-2 number, since 2×698351099682 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7821955 + ... + 7830877.
Almost surely, 269835109968 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 69835109968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73618288128).
69835109968 is an abundant number, since it is smaller than the sum of its proper divisors (77401466288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69835109968 is a wasteful number, since it uses less digits than its factorization.
69835109968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9332 (or 9326 counting only the distinct ones).
The product of its (nonzero) digits is 25194240, while the sum is 64.
The spelling of 69835109968 in words is "sixty-nine billion, eight hundred thirty-five million, one hundred nine thousand, nine hundred sixty-eight".
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