Base | Representation |
---|---|
bin | 10111110000001111… |
… | …110000101110010101 |
3 | 2102211112002122112010 |
4 | 113300033300232111 |
5 | 404213402000203 |
6 | 15414515214433 |
7 | 1562023113315 |
oct | 276017605625 |
9 | 72745078463 |
10 | 25505500053 |
11 | a8a920a770 |
12 | 4b398a7419 |
13 | 2536195b87 |
14 | 133d571445 |
15 | 9e4275303 |
hex | 5f03f0b95 |
25505500053 has 8 divisors (see below), whose sum is σ = 37098909216. Its totient is φ = 15457878800.
The previous prime is 25505500051. The next prime is 25505500067. The reversal of 25505500053 is 35000550552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25505500053 - 21 = 25505500051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25505500051) 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 7 ways as a sum of consecutive naturals, for example, 386446938 + ... + 386447003.
It is an arithmetic number, because the mean of its divisors is an integer number (4637363652).
Almost surely, 225505500053 is an apocalyptic number.
It is an amenable number.
25505500053 is a deficient number, since it is larger than the sum of its proper divisors (11593409163).
25505500053 is a wasteful number, since it uses less digits than its factorization.
25505500053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 772893955.
The product of its (nonzero) digits is 18750, while the sum is 30.
The spelling of 25505500053 in words is "twenty-five billion, five hundred five million, five hundred thousand, fifty-three".
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