Base | Representation |
---|---|
bin | 10010111000100100… |
… | …000101010110011001 |
3 | 1221100002111121000100 |
4 | 102320210011112121 |
5 | 313011220223100 |
6 | 13152000130013 |
7 | 1315316004201 |
oct | 227044052631 |
9 | 57302447010 |
10 | 20276336025 |
11 | 8665510400 |
12 | 3b1a606909 |
13 | 1bb1a0b68a |
14 | da4c99401 |
15 | 7da153400 |
hex | 4b8905599 |
20276336025 has 81 divisors (see below), whose sum is σ = 39965183167. Its totient is φ = 9819559200.
The previous prime is 20276336023. The next prime is 20276336051. The reversal of 20276336025 is 52063367202.
It is a happy number.
The square root of 20276336025 is 142395.
It is a perfect power (a square), and thus also a powerful number.
20276336025 is a `hidden beast` number, since 2 + 0 + 276 + 3 + 360 + 25 = 666.
It can be written as a sum of positive squares in only one way, i.e., 7299480969 + 12976855056 = 85437^2 + 113916^2 .
It is not a de Polignac number, because 20276336025 - 21 = 20276336023 is a prime.
It is a super-2 number, since 2×202763360252 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20276336023) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 23494744 + ... + 23495606.
Almost surely, 220276336025 is an apocalyptic number.
20276336025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20276336025 is the 142395-th square number.
20276336025 is the 71198-th centered octagonal number.
It is an amenable number.
20276336025 is a deficient number, since it is larger than the sum of its proper divisors (19688847142).
20276336025 is an equidigital number, since it uses as much as digits as its factorization.
20276336025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1764 (or 882 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 36.
Multiplying 20276336025 by its sum of digits (36), we get a square (729948096900 = 8543702).
The spelling of 20276336025 in words is "twenty billion, two hundred seventy-six million, three hundred thirty-six thousand, twenty-five".
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