Base | Representation |
---|---|
bin | 10111010101011001… |
… | …101110001000001111 |
3 | 2101200010122021111210 |
4 | 113111121232020033 |
5 | 402303103013111 |
6 | 15302110145503 |
7 | 1544614025445 |
oct | 272531561017 |
9 | 71603567453 |
10 | 25055126031 |
11 | a697a69031 |
12 | 4a32ab2293 |
13 | 2493a97b80 |
14 | 12d9816b95 |
15 | 9b99610a6 |
hex | 5d566e20f |
25055126031 has 64 divisors (see below), whose sum is σ = 39451224960. Its totient is φ = 14003159040.
The previous prime is 25055125999. The next prime is 25055126051. The reversal of 25055126031 is 13062155052.
It is a happy number.
It is not a de Polignac number, because 25055126031 - 25 = 25055125999 is a prime.
It is a super-2 number, since 2×250551260312 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 25055126031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25055126051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2137635 + ... + 2149323.
It is an arithmetic number, because the mean of its divisors is an integer number (616425390).
Almost surely, 225055126031 is an apocalyptic number.
25055126031 is a deficient number, since it is larger than the sum of its proper divisors (14396098929).
25055126031 is a wasteful number, since it uses less digits than its factorization.
25055126031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11836.
The product of its (nonzero) digits is 9000, while the sum is 30.
The spelling of 25055126031 in words is "twenty-five billion, fifty-five million, one hundred twenty-six thousand, thirty-one".
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