Base | Representation |
---|---|
bin | 1011100100010101001010… |
… | …1001000001101101000111 |
3 | 1200000220101222012121002012 |
4 | 2321011102221001231013 |
5 | 3131341032332300210 |
6 | 43014532355404435 |
7 | 2451621224513441 |
oct | 271052251015507 |
9 | 50026358177065 |
10 | 12718784650055 |
11 | 40640083a2080 |
12 | 1514b9b2b371b |
13 | 7134b77c7273 |
14 | 31d841a01491 |
15 | 170ca11c5305 |
hex | b9152a41b47 |
12718784650055 has 16 divisors (see below), whose sum is σ = 16716380220288. Its totient is φ = 9213172500000.
The previous prime is 12718784649937. The next prime is 12718784650069. The reversal of 12718784650055 is 55005648781721.
It is not a de Polignac number, because 12718784650055 - 222 = 12718780455751 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12718784649976 and 12718784650003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460644821 + ... + 460672430.
It is an arithmetic number, because the mean of its divisors is an integer number (1044773763768).
Almost surely, 212718784650055 is an apocalyptic number.
12718784650055 is a deficient number, since it is larger than the sum of its proper divisors (3997595570233).
12718784650055 is a wasteful number, since it uses less digits than its factorization.
12718784650055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 921317518.
The product of its (nonzero) digits is 18816000, while the sum is 59.
The spelling of 12718784650055 in words is "twelve trillion, seven hundred eighteen billion, seven hundred eighty-four million, six hundred fifty thousand, fifty-five".
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