Base | Representation |
---|---|
bin | 10111011010100110… |
… | …011111100001010011 |
3 | 2101220012210020012222 |
4 | 113122212133201103 |
5 | 402442421011042 |
6 | 15314504011255 |
7 | 1550023351352 |
oct | 273246374123 |
9 | 71805706188 |
10 | 25142360147 |
11 | a732230343 |
12 | 4a58160b2b |
13 | 24a8b8bba8 |
14 | 1307243999 |
15 | 9c24432d2 |
hex | 5da99f853 |
25142360147 has 12 divisors (see below), whose sum is σ = 26542654560. Its totient is φ = 23812466832.
The previous prime is 25142360081. The next prime is 25142360161. The reversal of 25142360147 is 74106324152.
It is not a de Polignac number, because 25142360147 - 220 = 25141311571 is a prime.
It is a super-2 number, since 2×251423601472 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25142360447) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1721558 + ... + 1736100.
It is an arithmetic number, because the mean of its divisors is an integer number (2211887880).
Almost surely, 225142360147 is an apocalyptic number.
25142360147 is a deficient number, since it is larger than the sum of its proper divisors (1400294413).
25142360147 is a wasteful number, since it uses less digits than its factorization.
25142360147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19370 (or 19351 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 35.
Adding to 25142360147 its reverse (74106324152), we get a palindrome (99248684299).
The spelling of 25142360147 in words is "twenty-five billion, one hundred forty-two million, three hundred sixty thousand, one hundred forty-seven".
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