Base | Representation |
---|---|
bin | 10001011101110010010… |
… | …010111001001110101011 |
3 | 11020201221221022112120010 |
4 | 101131302102321032223 |
5 | 124131014114244321 |
6 | 2315212003103003 |
7 | 152466256560324 |
oct | 21356222711653 |
9 | 4221857275503 |
10 | 1200213431211 |
11 | 42300a213123 |
12 | 174739071a63 |
13 | 89244895572 |
14 | 4213aa0544b |
15 | 213487e9676 |
hex | 117724b93ab |
1200213431211 has 16 divisors (see below), whose sum is σ = 1628187580800. Its totient is φ = 786203777088.
The previous prime is 1200213431177. The next prime is 1200213431227. The reversal of 1200213431211 is 1121343120021.
It is not a de Polignac number, because 1200213431211 - 26 = 1200213431147 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1200213431611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253241 + ... + 1992746.
It is an arithmetic number, because the mean of its divisors is an integer number (101761723800).
Almost surely, 21200213431211 is an apocalyptic number.
1200213431211 is a deficient number, since it is larger than the sum of its proper divisors (427974149589).
1200213431211 is a wasteful number, since it uses less digits than its factorization.
1200213431211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3248138.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 1200213431211 its reverse (1121343120021), we get a palindrome (2321556551232).
The spelling of 1200213431211 in words is "one trillion, two hundred billion, two hundred thirteen million, four hundred thirty-one thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •