Base | Representation |
---|---|
bin | 10010110100101111… |
… | …011101110101000101 |
3 | 1221011121211201000220 |
4 | 102310233131311011 |
5 | 312343311223023 |
6 | 13141345454553 |
7 | 1313606646621 |
oct | 226457356505 |
9 | 57147751026 |
10 | 20212211013 |
11 | 86322a2325 |
12 | 3b01041459 |
13 | 1ba1648c97 |
14 | d9a566181 |
15 | 7d46d83e3 |
hex | 4b4bddd45 |
20212211013 has 8 divisors (see below), whose sum is σ = 28534886208. Its totient is φ = 12682171584.
The previous prime is 20212211011. The next prime is 20212211023. The reversal of 20212211013 is 31011221202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20212211013 - 21 = 20212211011 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20212210983 and 20212211001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20212211011) 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, 198158881 + ... + 198158982.
It is an arithmetic number, because the mean of its divisors is an integer number (3566860776).
Almost surely, 220212211013 is an apocalyptic number.
It is an amenable number.
20212211013 is a deficient number, since it is larger than the sum of its proper divisors (8322675195).
20212211013 is a wasteful number, since it uses less digits than its factorization.
20212211013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396317883.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 20212211013 its reverse (31011221202), we get a palindrome (51223432215).
The spelling of 20212211013 in words is "twenty billion, two hundred twelve million, two hundred eleven thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •