Base | Representation |
---|---|
bin | 10010101000101101… |
… | …001111101101111011 |
3 | 1220122112220200101120 |
4 | 102220231033231323 |
5 | 311440114133311 |
6 | 13105334120323 |
7 | 1305605522565 |
oct | 225055175573 |
9 | 56575820346 |
10 | 20010302331 |
11 | 8539326348 |
12 | 3a654b00a3 |
13 | 1b6b873ca6 |
14 | d7b808335 |
15 | 7c1b03706 |
hex | 4a8b4fb7b |
20010302331 has 8 divisors (see below), whose sum is σ = 26690299200. Its totient is φ = 13335253512.
The previous prime is 20010302327. The next prime is 20010302341. The reversal of 20010302331 is 13320301002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20010302331 - 22 = 20010302327 is a prime.
It is a super-2 number, since 2×200103023312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20010302331.
It is not an unprimeable number, because it can be changed into a prime (20010302341) 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, 1227565 + ... + 1243758.
It is an arithmetic number, because the mean of its divisors is an integer number (3336287400).
Almost surely, 220010302331 is an apocalyptic number.
20010302331 is a deficient number, since it is larger than the sum of its proper divisors (6679996869).
20010302331 is a wasteful number, since it uses less digits than its factorization.
20010302331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2474025.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20010302331 its reverse (13320301002), we get a palindrome (33330603333).
The spelling of 20010302331 in words is "twenty billion, ten million, three hundred two thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •