Base | Representation |
---|---|
bin | 10010111001111111… |
… | …100010111100011000 |
3 | 1221101202121201100011 |
4 | 102321333202330120 |
5 | 313033334443334 |
6 | 13154214051304 |
7 | 1316026544044 |
oct | 227177427430 |
9 | 57352551304 |
10 | 20300312344 |
11 | 8677aa7144 |
12 | 3b26649b34 |
13 | 1bb6984950 |
14 | da813b024 |
15 | 7dc2dc564 |
hex | 4b9fe2f18 |
20300312344 has 16 divisors (see below), whose sum is σ = 40991015520. Its totient is φ = 9369374880.
The previous prime is 20300312339. The next prime is 20300312353. The reversal of 20300312344 is 44321300302.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97597552 + ... + 97597759.
It is an arithmetic number, because the mean of its divisors is an integer number (2561938470).
Almost surely, 220300312344 is an apocalyptic number.
It is an amenable number.
20300312344 is an abundant number, since it is smaller than the sum of its proper divisors (20690703176).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20300312344 is a wasteful number, since it uses less digits than its factorization.
20300312344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195195330 (or 195195326 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 20300312344 its reverse (44321300302), we get a palindrome (64621612646).
The spelling of 20300312344 in words is "twenty billion, three hundred million, three hundred twelve thousand, three hundred forty-four".
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