Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101011000110001 |
3 | 1221101220101202222021 |
4 | 102322013031120301 |
5 | 313034343234301 |
6 | 13154325111441 |
7 | 1316052611551 |
oct | 227207153061 |
9 | 57356352867 |
10 | 20302321201 |
11 | 8679149458 |
12 | 3b27258581 |
13 | 1bb7209116 |
14 | da8501161 |
15 | 7dc5878a1 |
hex | 4ba1cd631 |
20302321201 has 8 divisors (see below), whose sum is σ = 20649081600. Its totient is φ = 19955649360.
The previous prime is 20302321183. The next prime is 20302321211. The reversal of 20302321201 is 10212320302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20302321201 is a prime.
It is a super-2 number, since 2×203023212012 (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 (20302321211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577591 + ... + 611731.
It is an arithmetic number, because the mean of its divisors is an integer number (2581135200).
Almost surely, 220302321201 is an apocalyptic number.
It is an amenable number.
20302321201 is a deficient number, since it is larger than the sum of its proper divisors (346760399).
20302321201 is a wasteful number, since it uses less digits than its factorization.
20302321201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44279.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20302321201 its reverse (10212320302), we get a palindrome (30514641503).
The spelling of 20302321201 in words is "twenty billion, three hundred two million, three hundred twenty-one thousand, two hundred one".
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