Base | Representation |
---|---|
bin | 10010111010000011… |
… | …010110110011100011 |
3 | 1221101211111110111221 |
4 | 102322003112303203 |
5 | 313034113424303 |
6 | 13154251315511 |
7 | 1316041204135 |
oct | 227203266343 |
9 | 57354443457 |
10 | 20301311203 |
11 | 8678619648 |
12 | 3b26a4bb97 |
13 | 1bb6c444a4 |
14 | da831b055 |
15 | 7dc4384bd |
hex | 4ba0d6ce3 |
20301311203 has 8 divisors (see below), whose sum is σ = 20478311568. Its totient is φ = 20125079424.
The previous prime is 20301311183. The next prime is 20301311207. The reversal of 20301311203 is 30211310302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20301311203 - 29 = 20301310691 is a prime.
It is a super-2 number, since 2×203013112032 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20301311207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139026 + ... + 244807.
It is an arithmetic number, because the mean of its divisors is an integer number (2559788946).
Almost surely, 220301311203 is an apocalyptic number.
20301311203 is a deficient number, since it is larger than the sum of its proper divisors (177000365).
20301311203 is a wasteful number, since it uses less digits than its factorization.
20301311203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384293.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20301311203 its reverse (30211310302), we get a palindrome (50512621505).
Subtracting 20301311203 from its reverse (30211310302), we obtain a palindrome (9909999099).
The spelling of 20301311203 in words is "twenty billion, three hundred one million, three hundred eleven thousand, two hundred three".
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