Base | Representation |
---|---|
bin | 10010111010000011… |
… | …000001010110011101 |
3 | 1221101211022222222012 |
4 | 102322003001112131 |
5 | 313034103121300 |
6 | 13154245401005 |
7 | 1316040360005 |
oct | 227203012635 |
9 | 57354288865 |
10 | 20301223325 |
11 | 8678569619 |
12 | 3b26a09165 |
13 | 1bb6c134a6 |
14 | da82d7005 |
15 | 7dc41c435 |
hex | 4ba0c159d |
20301223325 has 12 divisors (see below), whose sum is σ = 25182459648. Its totient is φ = 16235209200.
The previous prime is 20301223223. The next prime is 20301223351. The reversal of 20301223325 is 52332210302.
It is not a de Polignac number, because 20301223325 - 218 = 20300961181 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20301223325.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71741 + ... + 213890.
It is an arithmetic number, because the mean of its divisors is an integer number (2098538304).
Almost surely, 220301223325 is an apocalyptic number.
20301223325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
20301223325 is a deficient number, since it is larger than the sum of its proper divisors (4881236323).
20301223325 is a wasteful number, since it uses less digits than its factorization.
20301223325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 288484 (or 288479 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 23.
Adding to 20301223325 its reverse (52332210302), we get a palindrome (72633433627).
The spelling of 20301223325 in words is "twenty billion, three hundred one million, two hundred twenty-three thousand, three hundred twenty-five".
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