Base | Representation |
---|---|
bin | 100000100010100001… |
… | …0001011111101001000 |
3 | 20200100220011211111022 |
4 | 1001011002023331020 |
5 | 2121102141143041 |
6 | 52033521052012 |
7 | 5022430314305 |
oct | 1010502137510 |
9 | 220326154438 |
10 | 69877677896 |
11 | 276a9144724 |
12 | 11661a87008 |
13 | 6787cb9800 |
14 | 354c6940ac |
15 | 1c3e9ec24b |
hex | 104508bf48 |
69877677896 has 48 divisors (see below), whose sum is σ = 142827016500. Its totient is φ = 32034692352.
The previous prime is 69877677889. The next prime is 69877677917.
69877677896 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 6 ways, for example, as 14282640100 + 55595037796 = 119510^2 + 235786^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 69877677896.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28010 + ... + 374886.
Almost surely, 269877677896 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 69877677896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71413508250).
69877677896 is an abundant number, since it is smaller than the sum of its proper divisors (72949338604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69877677896 is a wasteful number, since it uses less digits than its factorization.
69877677896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 347058 (or 347041 counting only the distinct ones).
The product of its digits is 2688505344, while the sum is 80.
The spelling of 69877677896 in words is "sixty-nine billion, eight hundred seventy-seven million, six hundred seventy-seven thousand, eight hundred ninety-six".
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