Base | Representation |
---|---|
bin | 1011100000010100111110… |
… | …10011011101100010101101 |
3 | 10022120122210121001111010112 |
4 | 11300022133103131202231 |
5 | 11304003430143140100 |
6 | 125450401235545405 |
7 | 5220603221114204 |
oct | 560123723354255 |
9 | 108518717044115 |
10 | 25300030052525 |
11 | 8074756437798 |
12 | 2a07394a5b265 |
13 | 1116a23499757 |
14 | 636756b2a23b |
15 | 2dd1a2700b35 |
hex | 17029f4dd8ad |
25300030052525 has 12 divisors (see below), whose sum is σ = 31886332959924. Its totient is φ = 19908220368000.
The previous prime is 25300030052503. The next prime is 25300030052527. The reversal of 25300030052525 is 52525003000352.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 11113402340329 + 14186627712196 = 3333677^2 + 3766514^2 .
It is a de Polignac number, because none of the positive numbers 2k-25300030052525 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25300030052491 and 25300030052500.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25300030052527) 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, 8295090296 + ... + 8295093345.
It is an arithmetic number, because the mean of its divisors is an integer number (2657194413327).
Almost surely, 225300030052525 is an apocalyptic number.
25300030052525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
25300030052525 is a deficient number, since it is larger than the sum of its proper divisors (6586302907399).
25300030052525 is a wasteful number, since it uses less digits than its factorization.
25300030052525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16590183712 (or 16590183707 counting only the distinct ones).
The product of its (nonzero) digits is 45000, while the sum is 32.
Adding to 25300030052525 its reverse (52525003000352), we get a palindrome (77825033052877).
The spelling of 25300030052525 in words is "twenty-five trillion, three hundred billion, thirty million, fifty-two thousand, five hundred twenty-five".
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