Base | Representation |
---|---|
bin | 10010111010000011… |
… | …010100010111011101 |
3 | 1221101211110221210221 |
4 | 102322003110113131 |
5 | 313034113114323 |
6 | 13154251201341 |
7 | 1316041133044 |
oct | 227203242735 |
9 | 57354427727 |
10 | 20301301213 |
11 | 8678612096 |
12 | 3b26a46251 |
13 | 1bb6c3ca8b |
14 | da831755b |
15 | 7dc43555d |
hex | 4ba0d45dd |
20301301213 has 24 divisors (see below), whose sum is σ = 22089146112. Its totient is φ = 18645782784.
The previous prime is 20301301183. The next prime is 20301301217. The reversal of 20301301213 is 31210310302.
It is not a de Polignac number, because 20301301213 - 221 = 20299204061 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301301217) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5064456 + ... + 5068462.
It is an arithmetic number, because the mean of its divisors is an integer number (920381088).
Almost surely, 220301301213 is an apocalyptic number.
It is an amenable number.
20301301213 is a deficient number, since it is larger than the sum of its proper divisors (1787844899).
20301301213 is a wasteful number, since it uses less digits than its factorization.
20301301213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4461 (or 4444 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 20301301213 its reverse (31210310302), we get a palindrome (51511611515).
The spelling of 20301301213 in words is "twenty billion, three hundred one million, three hundred one thousand, two hundred thirteen".
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