Base | Representation |
---|---|
bin | 10010101010011111… |
… | …01001101111110111 |
3 | 221212022120212122222 |
4 | 21111033221233313 |
5 | 131010121213421 |
6 | 4334141312555 |
7 | 503210311526 |
oct | 112517515767 |
9 | 27768525588 |
10 | 10020101111 |
11 | 42820a42a9 |
12 | 1b3786575b |
13 | c38c07917 |
14 | 6b0ab64bd |
15 | 3d9a2dcab |
hex | 2553e9bf7 |
10020101111 has 8 divisors (see below), whose sum is σ = 10052348880. Its totient is φ = 9987899328.
The previous prime is 10020101099. The next prime is 10020101171. The reversal of 10020101111 is 11110102001.
It is a happy number.
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 10020101111 - 218 = 10019838967 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10020101171) 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, 454925 + ... + 476441.
It is an arithmetic number, because the mean of its divisors is an integer number (1256543610).
Almost surely, 210020101111 is an apocalyptic number.
10020101111 is a deficient number, since it is larger than the sum of its proper divisors (32247769).
10020101111 is a wasteful number, since it uses less digits than its factorization.
10020101111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22993.
The product of its (nonzero) digits is 2, while the sum is 8.
Adding to 10020101111 its reverse (11110102001), we get a palindrome (21130203112).
The spelling of 10020101111 in words is "ten billion, twenty million, one hundred one thousand, one hundred eleven".
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