Base | Representation |
---|---|
bin | 11001011001111111000… |
… | …11000100100000111001 |
3 | 10002110020000010020212211 |
4 | 30230333203010200321 |
5 | 103300242244103400 |
6 | 1505005234335121 |
7 | 120032243661562 |
oct | 14547743044071 |
9 | 3073200106784 |
10 | 872944519225 |
11 | 307239472729 |
12 | 12122342a4a1 |
13 | 6441a45159c |
14 | 30372061169 |
15 | 17a92187dba |
hex | cb3f8c4839 |
872944519225 has 27 divisors (see below), whose sum is σ = 1099242461037. Its totient is φ = 687685738080.
The previous prime is 872944519219. The next prime is 872944519261. The reversal of 872944519225 is 522915449278.
The square root of 872944519225 is 934315.
It is a perfect power (a square), and thus also a powerful number.
872944519225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 125193721 + 872819325504 = 11189^2 + 934248^2 .
It is not a de Polignac number, because 872944519225 - 29 = 872944518713 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 872944519225.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 312994131 + ... + 312996919.
Almost surely, 2872944519225 is an apocalyptic number.
872944519225 is the 934315-th square number.
872944519225 is the 467158-th centered octagonal number.
It is an amenable number.
872944519225 is a deficient number, since it is larger than the sum of its proper divisors (226297941812).
872944519225 is an frugal number, since it uses more digits than its factorization.
872944519225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5722 (or 2861 counting only the distinct ones).
The product of its digits is 14515200, while the sum is 58.
The spelling of 872944519225 in words is "eight hundred seventy-two billion, nine hundred forty-four million, five hundred nineteen thousand, two hundred twenty-five".
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