Base | Representation |
---|---|
bin | 100000100000001111… |
… | …1111110000000101000 |
3 | 20200011121000121220000 |
4 | 1001000133332000220 |
5 | 2120423202132031 |
6 | 52022202303000 |
7 | 5020514542062 |
oct | 1010037760050 |
9 | 220147017800 |
10 | 69801599016 |
11 | 2766a201516 |
12 | 116404b7a60 |
13 | 6775300116 |
14 | 354252c732 |
15 | 1c37ec03e6 |
hex | 10407fe028 |
69801599016 has 40 divisors (see below), whose sum is σ = 195509110170. Its totient is φ = 23267199456.
The previous prime is 69801599009. The next prime is 69801599017. The reversal of 69801599016 is 61099510896.
It can be written as a sum of positive squares in only one way, i.e., 59513554116 + 10288044900 = 243954^2 + 101430^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (69801599017) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53858611 + ... + 53859906.
Almost surely, 269801599016 is an apocalyptic number.
It is an amenable number.
69801599016 is an abundant number, since it is smaller than the sum of its proper divisors (125707511154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69801599016 is a wasteful number, since it uses less digits than its factorization.
69801599016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107718535 (or 107718522 counting only the distinct ones).
The product of its (nonzero) digits is 1049760, while the sum is 54.
The spelling of 69801599016 in words is "sixty-nine billion, eight hundred one million, five hundred ninety-nine thousand, sixteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •