Base | Representation |
---|---|
bin | 10010111010000011… |
… | …000001010110010000 |
3 | 1221101211022222221201 |
4 | 102322003001112100 |
5 | 313034103121222 |
6 | 13154245400544 |
7 | 1316040356656 |
oct | 227203012620 |
9 | 57354288851 |
10 | 20301223312 |
11 | 8678569607 |
12 | 3b26a09154 |
13 | 1bb6c13496 |
14 | da82d6dd6 |
15 | 7dc41c427 |
hex | 4ba0c1590 |
20301223312 has 10 divisors (see below), whose sum is σ = 39333620198. Its totient is φ = 10150611648.
The previous prime is 20301223223. The next prime is 20301223351. The reversal of 20301223312 is 21332210302.
It can be written as a sum of positive squares in only one way, i.e., 13571318016 + 6729905296 = 116496^2 + 82036^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20301223312.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634413213 + ... + 634413244.
Almost surely, 220301223312 is an apocalyptic number.
It is an amenable number.
20301223312 is a deficient number, since it is larger than the sum of its proper divisors (19032396886).
20301223312 is a wasteful number, since it uses less digits than its factorization.
20301223312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1268826465 (or 1268826459 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 20301223312 its reverse (21332210302), we get a palindrome (41633433614).
The spelling of 20301223312 in words is "twenty billion, three hundred one million, two hundred twenty-three thousand, three hundred twelve".
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