Base | Representation |
---|---|
bin | 1001000111010011001011… |
… | …0000010010100010011100 |
3 | 1022110222222102200002001120 |
4 | 2101310302300102202130 |
5 | 2303141012104034322 |
6 | 33151331043010540 |
7 | 2052664655312454 |
oct | 221646260224234 |
9 | 38428872602046 |
10 | 10021010221212 |
11 | 3213983028201 |
12 | 115a180069a50 |
13 | 578c91c0b793 |
14 | 26903b662d64 |
15 | 125a0970da5c |
hex | 91d32c1289c |
10021010221212 has 24 divisors (see below), whose sum is σ = 23778668323200. Its totient is φ = 3283720863216.
The previous prime is 10021010221151. The next prime is 10021010221237. The reversal of 10021010221212 is 21212201012001.
It is a junction number, because it is equal to n+sod(n) for n = 10021010221191 and 10021010221200.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7076983912 + ... + 7076985327.
It is an arithmetic number, because the mean of its divisors is an integer number (990777846800).
Almost surely, 210021010221212 is an apocalyptic number.
10021010221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10021010221212 is an abundant number, since it is smaller than the sum of its proper divisors (13757658101988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10021010221212 is a wasteful number, since it uses less digits than its factorization.
10021010221212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14153969305 (or 14153969303 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 10021010221212 its reverse (21212201012001), we get a palindrome (31233211233213).
The spelling of 10021010221212 in words is "ten trillion, twenty-one billion, ten million, two hundred twenty-one thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •