Base | Representation |
---|---|
bin | 10001100110111111101… |
… | …101100110010110101101 |
3 | 11021200111002210122121221 |
4 | 101212333231212112231 |
5 | 124311242131241023 |
6 | 2323525134023341 |
7 | 153266314042132 |
oct | 21467755462655 |
9 | 4250432718557 |
10 | 1210102212013 |
11 | 427224173542 |
12 | 176638947b51 |
13 | 8a15c511756 |
14 | 427d8096589 |
15 | 21726a3885d |
hex | 119bfb665ad |
1210102212013 has 4 divisors (see below), whose sum is σ = 1217526152128. Its totient is φ = 1202678271900.
The previous prime is 1210102211999. The next prime is 1210102212043. The reversal of 1210102212013 is 3102122010121.
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 a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1210102212013 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 (1210102212043) 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, 3711969813 + ... + 3711970138.
It is an arithmetic number, because the mean of its divisors is an integer number (304381538032).
Almost surely, 21210102212013 is an apocalyptic number.
It is an amenable number.
1210102212013 is a deficient number, since it is larger than the sum of its proper divisors (7423940115).
1210102212013 is an equidigital number, since it uses as much as digits as its factorization.
1210102212013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7423940114.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 1210102212013 its reverse (3102122010121), we get a palindrome (4312224222134).
The spelling of 1210102212013 in words is "one trillion, two hundred ten billion, one hundred two million, two hundred twelve thousand, thirteen".
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