Base | Representation |
---|---|
bin | 11111101101100111101… |
… | …100001001111101010100 |
3 | 21201100010022221022220120 |
4 | 133231213230021331110 |
5 | 241201140220004234 |
6 | 4345052350031540 |
7 | 313306534522524 |
oct | 37554754117524 |
9 | 7640108838816 |
10 | 2179288047444 |
11 | 77025a31a522 |
12 | 2b243b1a85b0 |
13 | 12a676843001 |
14 | 77699cbd684 |
15 | 3ba4ce52049 |
hex | 1fb67b09f54 |
2179288047444 has 12 divisors (see below), whose sum is σ = 5085005444064. Its totient is φ = 726429349144.
The previous prime is 2179288047437. The next prime is 2179288047457. The reversal of 2179288047444 is 4447408829712.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.
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, 90803668632 + ... + 90803668655.
It is an arithmetic number, because the mean of its divisors is an integer number (423750453672).
Almost surely, 22179288047444 is an apocalyptic number.
It is an amenable number.
2179288047444 is an abundant number, since it is smaller than the sum of its proper divisors (2905717396620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2179288047444 is a wasteful number, since it uses less digits than its factorization.
2179288047444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181607337294 (or 181607337292 counting only the distinct ones).
The product of its (nonzero) digits is 28901376, while the sum is 60.
The spelling of 2179288047444 in words is "two trillion, one hundred seventy-nine billion, two hundred eighty-eight million, forty-seven thousand, four hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •