Base | Representation |
---|---|
bin | 11101000111000010100… |
… | …11100101101100110111 |
3 | 10112121201112010112220110 |
4 | 32203201103211230313 |
5 | 112341413334441211 |
6 | 2043254035234103 |
7 | 132156124206336 |
oct | 16434123455467 |
9 | 3477645115813 |
10 | 1000212421431 |
11 | 3562079222a3 |
12 | 141a21148933 |
13 | 734202b18b2 |
14 | 365a673dd1d |
15 | 1b040225ea6 |
hex | e8e14e5b37 |
1000212421431 has 8 divisors (see below), whose sum is σ = 1335985332480. Its totient is φ = 665623895672.
The previous prime is 1000212421391. The next prime is 1000212421463. The reversal of 1000212421431 is 1341242120001.
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 1000212421431 - 210 = 1000212420407 is a prime.
It is a super-2 number, since 2×10002124214312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1000212421398 and 1000212421407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1000212422431) 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, 296094351 + ... + 296097728.
It is an arithmetic number, because the mean of its divisors is an integer number (166998166560).
Almost surely, 21000212421431 is an apocalyptic number.
1000212421431 is a deficient number, since it is larger than the sum of its proper divisors (335772911049).
1000212421431 is an equidigital number, since it uses as much as digits as its factorization.
1000212421431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592192645.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 1000212421431 its reverse (1341242120001), we get a palindrome (2341454541432).
The spelling of 1000212421431 in words is "one trillion, two hundred twelve million, four hundred twenty-one thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •