Base | Representation |
---|---|
bin | 11111011111111111… |
… | …11000001111011100 |
3 | 1121122120210020020022 |
4 | 33233333320033130 |
5 | 234113304330243 |
6 | 11434034011312 |
7 | 1136036354600 |
oct | 175777701734 |
9 | 47576706208 |
10 | 16911401948 |
11 | 7199055651 |
12 | 333b716b38 |
13 | 179684261c |
14 | b66019500 |
15 | 68ea25b68 |
hex | 3efff83dc |
16911401948 has 18 divisors (see below), whose sum is σ = 34426782936. Its totient is φ = 7247743608.
The previous prime is 16911401921. The next prime is 16911402041. The reversal of 16911401948 is 84910411961.
It is a junction number, because it is equal to n+sod(n) for n = 16911401899 and 16911401908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43141136 + ... + 43141527.
It is an arithmetic number, because the mean of its divisors is an integer number (1912599052).
Almost surely, 216911401948 is an apocalyptic number.
It is an amenable number.
16911401948 is an abundant number, since it is smaller than the sum of its proper divisors (17515380988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16911401948 is a wasteful number, since it uses less digits than its factorization.
16911401948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86282681 (or 86282672 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 44.
The spelling of 16911401948 in words is "sixteen billion, nine hundred eleven million, four hundred one thousand, nine hundred forty-eight".
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