Base | Representation |
---|---|
bin | 10001101000110010101… |
… | …111100100111011111011 |
3 | 11021212110121020122102102 |
4 | 101220302233210323323 |
5 | 124324220210012311 |
6 | 2324444434254015 |
7 | 153365166644630 |
oct | 21506257447373 |
9 | 4255417218372 |
10 | 1212032110331 |
11 | 42802458a729 |
12 | 176a9712730b |
13 | 8a3a92b2c13 |
14 | 4293c504187 |
15 | 217db1a043b |
hex | 11a32be4efb |
1212032110331 has 16 divisors (see below), whose sum is σ = 1395617691840. Its totient is φ = 1031084691840.
The previous prime is 1212032110307. The next prime is 1212032110351. The reversal of 1212032110331 is 1330112302121.
It is a happy number.
It is not a de Polignac number, because 1212032110331 - 210 = 1212032109307 is a prime.
It is a super-2 number, since 2×12120321103312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1212032110301) 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, 684440 + ... + 1700741.
It is an arithmetic number, because the mean of its divisors is an integer number (87226105740).
Almost surely, 21212032110331 is an apocalyptic number.
1212032110331 is a deficient number, since it is larger than the sum of its proper divisors (183585581509).
1212032110331 is a wasteful number, since it uses less digits than its factorization.
1212032110331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2385734.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 1212032110331 its reverse (1330112302121), we get a palindrome (2542144412452).
The spelling of 1212032110331 in words is "one trillion, two hundred twelve billion, thirty-two million, one hundred ten thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •