Base | Representation |
---|---|
bin | 11000000100000101… |
… | …11010010010101110 |
3 | 1020100100210100021110 |
4 | 30002002322102232 |
5 | 202424310004444 |
6 | 5533543412450 |
7 | 635102360415 |
oct | 140202722256 |
9 | 36310710243 |
10 | 12919219374 |
11 | 552a620806 |
12 | 2606754126 |
13 | 12ab72a209 |
14 | 8a7b3c47c |
15 | 5092e6cb9 |
hex | 3020ba4ae |
12919219374 has 16 divisors (see below), whose sum is σ = 25839757008. Its totient is φ = 4306186752.
The previous prime is 12919219373. The next prime is 12919219459. The reversal of 12919219374 is 47391291921.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12919219373) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111064 + ... + 195380.
It is an arithmetic number, because the mean of its divisors is an integer number (1614984813).
Almost surely, 212919219374 is an apocalyptic number.
12919219374 is an abundant number, since it is smaller than the sum of its proper divisors (12920537634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12919219374 is a wasteful number, since it uses less digits than its factorization.
12919219374 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109859.
The product of its digits is 244944, while the sum is 48.
The spelling of 12919219374 in words is "twelve billion, nine hundred nineteen million, two hundred nineteen thousand, three hundred seventy-four".
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