Base | Representation |
---|---|
bin | 11111011010111111… |
… | …01101000010111001 |
3 | 1121112122202222021220 |
4 | 33231133231002321 |
5 | 234022032204144 |
6 | 11425534022253 |
7 | 1135016434146 |
oct | 175537550271 |
9 | 47478688256 |
10 | 16869413049 |
11 | 7177386785 |
12 | 3329647989 |
13 | 178ac30718 |
14 | b606093cd |
15 | 68aece919 |
hex | 3ed7ed0b9 |
16869413049 has 16 divisors (see below), whose sum is σ = 22643481600. Its totient is φ = 11170951056.
The previous prime is 16869413047. The next prime is 16869413053. The reversal of 16869413049 is 94031496861.
It is not a de Polignac number, because 16869413049 - 21 = 16869413047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 16869412992 and 16869413010.
It is not an unprimeable number, because it can be changed into a prime (16869413047) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476412 + ... + 510594.
It is an arithmetic number, because the mean of its divisors is an integer number (1415217600).
Almost surely, 216869413049 is an apocalyptic number.
It is an amenable number.
16869413049 is a deficient number, since it is larger than the sum of its proper divisors (5774068551).
16869413049 is a wasteful number, since it uses less digits than its factorization.
16869413049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35284.
The product of its (nonzero) digits is 1119744, while the sum is 51.
The spelling of 16869413049 in words is "sixteen billion, eight hundred sixty-nine million, four hundred thirteen thousand, forty-nine".
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