Base | Representation |
---|---|
bin | 1001001110110111111110… |
… | …11101011000001010011001 |
3 | 2122212212210021202022120212 |
4 | 10213123333131120022121 |
5 | 10130113103120111441 |
6 | 111102425400500505 |
7 | 4163535644654324 |
oct | 447337735301231 |
9 | 78785707668525 |
10 | 20302301332121 |
11 | 6518180905206 |
12 | 233a87b77a735 |
13 | b43663b32c13 |
14 | 5028cac977bb |
15 | 2531995caeeb |
hex | 1276ff758299 |
20302301332121 has 4 divisors (see below), whose sum is σ = 20302426218000. Its totient is φ = 20302176446244.
The previous prime is 20302301332051. The next prime is 20302301332249. The reversal of 20302301332121 is 12123310320302.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20302301332121 - 222 = 20302297137817 is a prime.
It is a super-2 number, since 2×203023013321212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20302301302121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62198771 + ... + 62524328.
It is an arithmetic number, because the mean of its divisors is an integer number (5075606554500).
Almost surely, 220302301332121 is an apocalyptic number.
It is an amenable number.
20302301332121 is a deficient number, since it is larger than the sum of its proper divisors (124885879).
20302301332121 is a wasteful number, since it uses less digits than its factorization.
20302301332121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124885878.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 20302301332121 its reverse (12123310320302), we get a palindrome (32425611652423).
The spelling of 20302301332121 in words is "twenty trillion, three hundred two billion, three hundred one million, three hundred thirty-two thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •