Base | Representation |
---|---|
bin | 10010101010010110011… |
… | …100101001111100000101 |
3 | 11112121011100122211210200 |
4 | 102222112130221330011 |
5 | 132002401113122141 |
6 | 2421045420241113 |
7 | 161436446050566 |
oct | 22522634517405 |
9 | 4477140584720 |
10 | 1282424348421 |
11 | 454967126007 |
12 | 1886613a0199 |
13 | 93c16a81bc8 |
14 | 460d926016d |
15 | 2355ae3eab6 |
hex | 12a96729f05 |
1282424348421 has 12 divisors (see below), whose sum is σ = 1853862060960. Its totient is φ = 854270487720.
The previous prime is 1282424348393. The next prime is 1282424348431. The reversal of 1282424348421 is 1248434242821.
It is a happy number.
1282424348421 is a `hidden beast` number, since 1 + 2 + 82 + 42 + 434 + 84 + 21 = 666.
It is not a de Polignac number, because 1282424348421 - 210 = 1282424347397 is a prime.
It is a super-2 number, since 2×12824243484212 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1282424348431) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56577865 + ... + 56600526.
It is an arithmetic number, because the mean of its divisors is an integer number (154488505080).
Almost surely, 21282424348421 is an apocalyptic number.
It is an amenable number.
1282424348421 is a deficient number, since it is larger than the sum of its proper divisors (571437712539).
1282424348421 is a wasteful number, since it uses less digits than its factorization.
1282424348421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113179656 (or 113179653 counting only the distinct ones).
The product of its digits is 786432, while the sum is 45.
The spelling of 1282424348421 in words is "one trillion, two hundred eighty-two billion, four hundred twenty-four million, three hundred forty-eight thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •