Base | Representation |
---|---|
bin | 11101101101110010001… |
… | …00000100100001011100 |
3 | 10121121102002101202120212 |
4 | 32312321010010201130 |
5 | 113212013044214322 |
6 | 2101014012431552 |
7 | 133523426444225 |
oct | 16667104044134 |
9 | 3547362352525 |
10 | 1021012101212 |
11 | 3640107935a4 |
12 | 145a66a785b8 |
13 | 7538655971c |
14 | 375bad0a24c |
15 | 1b85b2a40e2 |
hex | edb910485c |
1021012101212 has 12 divisors (see below), whose sum is σ = 1786986224016. Its totient is φ = 510444608640.
The previous prime is 1021012101149. The next prime is 1021012101269. The reversal of 1021012101212 is 2121012101201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15323093 + ... + 15389580.
It is an arithmetic number, because the mean of its divisors is an integer number (148915518668).
Almost surely, 21021012101212 is an apocalyptic number.
It is an amenable number.
1021012101212 is a deficient number, since it is larger than the sum of its proper divisors (765974122804).
1021012101212 is a wasteful number, since it uses less digits than its factorization.
1021012101212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30720988 (or 30720986 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 1021012101212 its reverse (2121012101201), we get a palindrome (3142024202413).
The spelling of 1021012101212 in words is "one trillion, twenty-one billion, twelve million, one hundred one thousand, two hundred twelve".
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