Base | Representation |
---|---|
bin | 11111001110001010100… |
… | …111001101010110110110 |
3 | 21121002221120111212102110 |
4 | 133032022213031112312 |
5 | 240123003114333323 |
6 | 4321345143351450 |
7 | 311002561631331 |
oct | 37161247152666 |
9 | 7532846455373 |
10 | 2145514214838 |
11 | 7579a8928175 |
12 | 2a7994452586 |
13 | 127423676187 |
14 | 75bb4595618 |
15 | 3ac22d7a793 |
hex | 1f38a9cd5b6 |
2145514214838 has 8 divisors (see below), whose sum is σ = 4291028429688. Its totient is φ = 715171404944.
The previous prime is 2145514214803. The next prime is 2145514214869. The reversal of 2145514214838 is 8384124155412.
It is a sphenic number, since it is the product of 3 distinct primes.
2145514214838 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178792851231 + ... + 178792851242.
It is an arithmetic number, because the mean of its divisors is an integer number (536378553711).
Almost surely, 22145514214838 is an apocalyptic number.
2145514214838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2145514214838 is a wasteful number, since it uses less digits than its factorization.
2145514214838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357585702478.
The product of its digits is 1228800, while the sum is 48.
The spelling of 2145514214838 in words is "two trillion, one hundred forty-five billion, five hundred fourteen million, two hundred fourteen thousand, eight hundred thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •