Base | Representation |
---|---|
bin | 10111010010010000… |
… | …000001111011001111 |
3 | 2101112110011002202120 |
4 | 113102100001323033 |
5 | 402201034112111 |
6 | 15252541024023 |
7 | 1543402436616 |
oct | 272220017317 |
9 | 71473132676 |
10 | 25002254031 |
11 | a670136567 |
12 | 4a19255013 |
13 | 2485b45471 |
14 | 12d27b287d |
15 | 9b4eba406 |
hex | 5d2401ecf |
25002254031 has 16 divisors (see below), whose sum is σ = 33603026688. Its totient is φ = 16534918400.
The previous prime is 25002254027. The next prime is 25002254047. The reversal of 25002254031 is 13045220052.
It is a cyclic number.
It is not a de Polignac number, because 25002254031 - 22 = 25002254027 is a prime.
It is a super-2 number, since 2×250022540312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 25002253992 and 25002254010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25002254131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1244095 + ... + 1264031.
It is an arithmetic number, because the mean of its divisors is an integer number (2100189168).
Almost surely, 225002254031 is an apocalyptic number.
25002254031 is a deficient number, since it is larger than the sum of its proper divisors (8600772657).
25002254031 is a wasteful number, since it uses less digits than its factorization.
25002254031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23262.
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 25002254031 its reverse (13045220052), we get a palindrome (38047474083).
The spelling of 25002254031 in words is "twenty-five billion, two million, two hundred fifty-four thousand, thirty-one".
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