Base | Representation |
---|---|
bin | 10010000101000110001… |
… | …000010110100000100101 |
3 | 11101202220112110021001102 |
4 | 102011012020112200211 |
5 | 130323440032034023 |
6 | 2350432202205445 |
7 | 155522243653202 |
oct | 22050610264045 |
9 | 4352815407042 |
10 | 1242422143013 |
11 | 4399a9a01017 |
12 | 1809587b3885 |
13 | 9021040988c |
14 | 441c267aca9 |
15 | 224b916e628 |
hex | 12146216825 |
1242422143013 has 8 divisors (see below), whose sum is σ = 1243891951680. Its totient is φ = 1240953073920.
The previous prime is 1242422142961. The next prime is 1242422143063. The reversal of 1242422143013 is 3103412242421.
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 1242422143013 - 226 = 1242355034149 is a prime.
It is a super-2 number, since 2×12424221430132 (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 (1242422143063) 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, 3213758 + ... + 3579536.
It is an arithmetic number, because the mean of its divisors is an integer number (155486493960).
Almost surely, 21242422143013 is an apocalyptic number.
It is an amenable number.
1242422143013 is a deficient number, since it is larger than the sum of its proper divisors (1469808667).
1242422143013 is a wasteful number, since it uses less digits than its factorization.
1242422143013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369787.
The product of its (nonzero) digits is 9216, while the sum is 29.
Adding to 1242422143013 its reverse (3103412242421), we get a palindrome (4345834385434).
The spelling of 1242422143013 in words is "one trillion, two hundred forty-two billion, four hundred twenty-two million, one hundred forty-three thousand, thirteen".
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