Base | Representation |
---|---|
bin | 10010111010000111… |
… | …100000111100101011 |
3 | 1221101220112211212202 |
4 | 102322013200330223 |
5 | 313034403320243 |
6 | 13154330530415 |
7 | 1316053364261 |
oct | 227207407453 |
9 | 57356484782 |
10 | 20302401323 |
11 | 86791a3676 |
12 | 3b27296a0b |
13 | 1bb7236729 |
14 | da8522431 |
15 | 7dc5a14b8 |
hex | 4ba1e0f2b |
20302401323 has 16 divisors (see below), whose sum is σ = 21688992000. Its totient is φ = 18962227680.
The previous prime is 20302401293. The next prime is 20302401331. The reversal of 20302401323 is 32310420302.
It is a cyclic number.
It is not a de Polignac number, because 20302401323 - 210 = 20302400299 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20302401295 and 20302401304.
It is not an unprimeable number, because it can be changed into a prime (20302401523) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151988 + ... + 252398.
It is an arithmetic number, because the mean of its divisors is an integer number (1355562000).
Almost surely, 220302401323 is an apocalyptic number.
20302401323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20302401323 is a deficient number, since it is larger than the sum of its proper divisors (1386590677).
20302401323 is a wasteful number, since it uses less digits than its factorization.
20302401323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100642.
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 20302401323 its reverse (32310420302), we get a palindrome (52612821625).
The spelling of 20302401323 in words is "twenty billion, three hundred two million, four hundred one thousand, three hundred twenty-three".
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