Base | Representation |
---|---|
bin | 111000010110011010… |
… | …0010101001110010101 |
3 | 102120100110112202001210 |
4 | 1300230310111032111 |
5 | 3440312304001323 |
6 | 131331445412033 |
7 | 11512523346615 |
oct | 1605464251625 |
9 | 376313482053 |
10 | 121011000213 |
11 | 47358611594 |
12 | 1b55240a019 |
13 | b5467a644c |
14 | 5bdd718a45 |
15 | 3233b0b293 |
hex | 1c2cd15395 |
121011000213 has 4 divisors (see below), whose sum is σ = 161348000288. Its totient is φ = 80674000140.
The previous prime is 121011000199. The next prime is 121011000221. The reversal of 121011000213 is 312000110121.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 121011000213 - 29 = 121010999701 is a prime.
It is a super-3 number, since 3×1210110002133 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121011000223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20168500033 + ... + 20168500038.
It is an arithmetic number, because the mean of its divisors is an integer number (40337000072).
Almost surely, 2121011000213 is an apocalyptic number.
It is an amenable number.
121011000213 is a deficient number, since it is larger than the sum of its proper divisors (40337000075).
121011000213 is an equidigital number, since it uses as much as digits as its factorization.
121011000213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40337000074.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 121011000213 its reverse (312000110121), we get a palindrome (433011110334).
The spelling of 121011000213 in words is "one hundred twenty-one billion, eleven million, two hundred thirteen", and thus it is an aban number.
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