Base | Representation |
---|---|
bin | 10010110100001001… |
… | …010101000000011001 |
3 | 1221010221000202212222 |
4 | 102310021111000121 |
5 | 312333231312101 |
6 | 13140351313425 |
7 | 1313425660226 |
oct | 226411250031 |
9 | 57127022788 |
10 | 20202213401 |
11 | 8627693a37 |
12 | 3ab981b875 |
13 | 1b9c558536 |
14 | d990c294d |
15 | 7d38b101b |
hex | 4b4255019 |
20202213401 has 8 divisors (see below), whose sum is σ = 20262877824. Its totient is φ = 20141580240.
The previous prime is 20202213397. The next prime is 20202213403. The reversal of 20202213401 is 10431220202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20202213401 - 22 = 20202213397 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20202213401.
It is not an unprimeable number, because it can be changed into a prime (20202213403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139671 + ... + 2149091.
It is an arithmetic number, because the mean of its divisors is an integer number (2532859728).
Almost surely, 220202213401 is an apocalyptic number.
It is an amenable number.
20202213401 is a deficient number, since it is larger than the sum of its proper divisors (60664423).
20202213401 is an equidigital number, since it uses as much as digits as its factorization.
20202213401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15631.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 20202213401 its reverse (10431220202), we get a palindrome (30633433603).
The spelling of 20202213401 in words is "twenty billion, two hundred two million, two hundred thirteen thousand, four hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •