Base | Representation |
---|---|
bin | 1111110111111011001… |
… | …10100001111001001100 |
3 | 1221010211022010000221120 |
4 | 13323331212201321030 |
5 | 32414010134141434 |
6 | 1054321320400540 |
7 | 54256013510211 |
oct | 7737546417114 |
9 | 1833738100846 |
10 | 545420615244 |
11 | 1a0347799a4a |
12 | 89858316150 |
13 | 3c58223a97b |
14 | 1c5816a1b08 |
15 | e2c3458349 |
hex | 7efd9a1e4c |
545420615244 has 24 divisors (see below), whose sum is σ = 1273121456880. Its totient is φ = 181739249664.
The previous prime is 545420615219. The next prime is 545420615291. The reversal of 545420615244 is 442516024545.
It is a junction number, because it is equal to n+sod(n) for n = 545420615196 and 545420615205.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8419149 + ... + 8483684.
It is an arithmetic number, because the mean of its divisors is an integer number (53046727370).
Almost surely, 2545420615244 is an apocalyptic number.
It is an amenable number.
545420615244 is an abundant number, since it is smaller than the sum of its proper divisors (727700841636).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
545420615244 is a wasteful number, since it uses less digits than its factorization.
545420615244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16905529 (or 16905527 counting only the distinct ones).
The product of its (nonzero) digits is 768000, while the sum is 42.
Adding to 545420615244 its reverse (442516024545), we get a palindrome (987936639789).
The spelling of 545420615244 in words is "five hundred forty-five billion, four hundred twenty million, six hundred fifteen thousand, two hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •