Base | Representation |
---|---|
bin | 1100011100010101101… |
… | …11100000111000100101 |
3 | 1111212112102002001222110 |
4 | 12032022313200320211 |
5 | 24001041040230400 |
6 | 524223313151233 |
7 | 42613426251030 |
oct | 6161267407045 |
9 | 1455472061873 |
10 | 427531570725 |
11 | 155351475a36 |
12 | 6aa3755b519 |
13 | 314154a8bac |
14 | 1699a858017 |
15 | b1c3980e50 |
hex | 638ade0e25 |
427531570725 has 96 divisors (see below), whose sum is σ = 859408137216. Its totient is φ = 183073766400.
The previous prime is 427531570693. The next prime is 427531570727. The reversal of 427531570725 is 527075135724.
It is not a de Polignac number, because 427531570725 - 25 = 427531570693 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427531570727) 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 95 ways as a sum of consecutive naturals, for example, 1769662 + ... + 1996688.
It is an arithmetic number, because the mean of its divisors is an integer number (8952168096).
Almost surely, 2427531570725 is an apocalyptic number.
It is an amenable number.
427531570725 is an abundant number, since it is smaller than the sum of its proper divisors (431876566491).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
427531570725 is a wasteful number, since it uses less digits than its factorization.
427531570725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227275 (or 227270 counting only the distinct ones).
The product of its (nonzero) digits is 2058000, while the sum is 48.
The spelling of 427531570725 in words is "four hundred twenty-seven billion, five hundred thirty-one million, five hundred seventy thousand, seven hundred twenty-five".
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