Base | Representation |
---|---|
bin | 10010101010110001… |
… | …101001011001011101 |
3 | 1220201222020001002020 |
4 | 102222301221121131 |
5 | 312023010314100 |
6 | 13113014050353 |
7 | 1306506530631 |
oct | 225261513135 |
9 | 56658201066 |
10 | 20045010525 |
11 | 8556982101 |
12 | 3a750499b9 |
13 | 1b75b06c97 |
14 | d82280dc1 |
15 | 7c4bac5a0 |
hex | 4aac6965d |
20045010525 has 24 divisors (see below), whose sum is σ = 33165392160. Its totient is φ = 10682831040.
The previous prime is 20045010523. The next prime is 20045010541. The reversal of 20045010525 is 52501054002.
It is a happy number.
It is not a de Polignac number, because 20045010525 - 21 = 20045010523 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20045010495 and 20045010504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20045010523) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5646 + ... + 200304.
It is an arithmetic number, because the mean of its divisors is an integer number (1381891340).
Almost surely, 220045010525 is an apocalyptic number.
20045010525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20045010525 is a deficient number, since it is larger than the sum of its proper divisors (13120381635).
20045010525 is a wasteful number, since it uses less digits than its factorization.
20045010525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196045 (or 196040 counting only the distinct ones).
The product of its (nonzero) digits is 2000, while the sum is 24.
Adding to 20045010525 its reverse (52501054002), we get a palindrome (72546064527).
The spelling of 20045010525 in words is "twenty billion, forty-five million, ten thousand, five hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •