Base | Representation |
---|---|
bin | 100101000001101… |
… | …1011110000010101 |
3 | 10012120211011202002 |
4 | 1022003123300111 |
5 | 10021024222401 |
6 | 323141125045 |
7 | 42534226355 |
oct | 11203336025 |
9 | 3176734662 |
10 | 1242414101 |
11 | 588346115 |
12 | 2a80b9785 |
13 | 16a524a96 |
14 | bb010b65 |
15 | 74117a6b |
hex | 4a0dbc15 |
1242414101 has 4 divisors (see below), whose sum is σ = 1256373900. Its totient is φ = 1228454304.
The previous prime is 1242414091. The next prime is 1242414139. The reversal of 1242414101 is 1014142421.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1014142421 = 41 ⋅24735181.
It can be written as a sum of positive squares in 2 ways, for example, as 440958001 + 801456100 = 20999^2 + 28310^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1242414101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1242413101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6979766 + ... + 6979943.
It is an arithmetic number, because the mean of its divisors is an integer number (314093475).
Almost surely, 21242414101 is an apocalyptic number.
It is an amenable number.
1242414101 is a deficient number, since it is larger than the sum of its proper divisors (13959799).
1242414101 is an equidigital number, since it uses as much as digits as its factorization.
1242414101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13959798.
The product of its (nonzero) digits is 256, while the sum is 20.
The square root of 1242414101 is about 35247.8949867932. The cubic root of 1242414101 is about 1075.0338120968.
Adding to 1242414101 its reverse (1014142421), we get a palindrome (2256556522).
The spelling of 1242414101 in words is "one billion, two hundred forty-two million, four hundred fourteen thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •