Base | Representation |
---|---|
bin | 10011000111011001… |
… | …011100001101010110 |
3 | 1221222102210102010020 |
4 | 103013121130031112 |
5 | 314013423014220 |
6 | 13232410210010 |
7 | 1324430233542 |
oct | 230731341526 |
9 | 57872712106 |
10 | 20525204310 |
11 | 8782a40876 |
12 | 3b89a23906 |
13 | 1c21445c10 |
14 | dc9d5ca22 |
15 | 801e12040 |
hex | 4c765c356 |
20525204310 has 32 divisors (see below), whose sum is σ = 53049759840. Its totient is φ = 5052357888.
The previous prime is 20525204291. The next prime is 20525204317. The reversal of 20525204310 is 1340252502.
20525204310 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×205252043102 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20525204317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26313975 + ... + 26314754.
It is an arithmetic number, because the mean of its divisors is an integer number (1657804995).
Almost surely, 220525204310 is an apocalyptic number.
20525204310 is an abundant number, since it is smaller than the sum of its proper divisors (32524555530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20525204310 is a wasteful number, since it uses less digits than its factorization.
20525204310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52628752.
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 20525204310 its reverse (1340252502), we get a palindrome (21865456812).
The spelling of 20525204310 in words is "twenty billion, five hundred twenty-five million, two hundred four thousand, three hundred ten".
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