Base | Representation |
---|---|
bin | 10111010100001010… |
… | …010110111000000100 |
3 | 2101121200111021221100 |
4 | 113110022112320010 |
5 | 402232241241122 |
6 | 15300044220100 |
7 | 1544242135542 |
oct | 272412267004 |
9 | 71550437840 |
10 | 25034321412 |
11 | a687249231 |
12 | 4a27b3a630 |
13 | 248c692449 |
14 | 12d6b5cd92 |
15 | 9b7c01aac |
hex | 5d4296e04 |
25034321412 has 18 divisors (see below), whose sum is σ = 63281201438. Its totient is φ = 8344773792.
The previous prime is 25034321387. The next prime is 25034321419. The reversal of 25034321412 is 21412343052.
It can be written as a sum of positive squares in only one way, i.e., 23849860356 + 1184461056 = 154434^2 + 34416^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (25034321419) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347698873 + ... + 347698944.
Almost surely, 225034321412 is an apocalyptic number.
It is an amenable number.
25034321412 is an abundant number, since it is smaller than the sum of its proper divisors (38246880026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25034321412 is a wasteful number, since it uses less digits than its factorization.
25034321412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 695397827 (or 695397822 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 25034321412 its reverse (21412343052), we get a palindrome (46446664464).
The spelling of 25034321412 in words is "twenty-five billion, thirty-four million, three hundred twenty-one thousand, four hundred twelve".
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