Base | Representation |
---|---|
bin | 10001100111000000110… |
… | …010010000011100110111 |
3 | 11021200112100200001112121 |
4 | 101213000302100130313 |
5 | 124311311233211411 |
6 | 2323531015500411 |
7 | 153266623033102 |
oct | 21470062203467 |
9 | 4250470601477 |
10 | 1210120210231 |
11 | 4272333468a9 |
12 | 176642987707 |
13 | 8a16317399a |
14 | 427da61d739 |
15 | 217283e1571 |
hex | 119c0c90737 |
1210120210231 has 8 divisors (see below), whose sum is σ = 1212440450000. Its totient is φ = 1207800279360.
The previous prime is 1210120210207. The next prime is 1210120210249. The reversal of 1210120210231 is 1320120210121.
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 1210120210231 - 227 = 1209985992503 is a prime.
It is a super-2 number, since 2×12101202102312 (a number of 25 digits) contains 22 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 (1210120210631) 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, 8721880 + ... + 8859538.
It is an arithmetic number, because the mean of its divisors is an integer number (151555056250).
Almost surely, 21210120210231 is an apocalyptic number.
1210120210231 is a deficient number, since it is larger than the sum of its proper divisors (2320239769).
1210120210231 is a wasteful number, since it uses less digits than its factorization.
1210120210231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154449.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 1210120210231 its reverse (1320120210121), we get a palindrome (2530240420352).
The spelling of 1210120210231 in words is "one trillion, two hundred ten billion, one hundred twenty million, two hundred ten thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •