Base | Representation |
---|---|
bin | 11111011010111111… |
… | …01100100011000001 |
3 | 1121112122202212111100 |
4 | 33231133230203001 |
5 | 234022032123014 |
6 | 11425534005013 |
7 | 1135016425203 |
oct | 175537544301 |
9 | 47478685440 |
10 | 16869411009 |
11 | 71773851a0 |
12 | 3329646769 |
13 | 178ac2c809 |
14 | b60608773 |
15 | 68aece009 |
hex | 3ed7ec8c1 |
16869411009 has 48 divisors (see below), whose sum is σ = 27354023424. Its totient is φ = 9929260800.
The previous prime is 16869411007. The next prime is 16869411043. The reversal of 16869411009 is 90011496861.
It is not a de Polignac number, because 16869411009 - 21 = 16869411007 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (16869411007) 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, 895839 + ... + 914475.
It is an arithmetic number, because the mean of its divisors is an integer number (569875488).
Almost surely, 216869411009 is an apocalyptic number.
It is an amenable number.
16869411009 is a deficient number, since it is larger than the sum of its proper divisors (10484612415).
16869411009 is a wasteful number, since it uses less digits than its factorization.
16869411009 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18918 (or 18915 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 45.
The spelling of 16869411009 in words is "sixteen billion, eight hundred sixty-nine million, four hundred eleven thousand, nine".
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