Base | Representation |
---|---|
bin | 111110000111101… |
… | …101110101000011 |
3 | 2200122002202111122 |
4 | 332013231311003 |
5 | 4113301210430 |
6 | 251230102455 |
7 | 34553432312 |
oct | 7607556503 |
9 | 2618082448 |
10 | 1042210115 |
11 | 495333981 |
12 | 25104aa2b |
13 | 137bc899b |
14 | 9c5b8279 |
15 | 6176cee5 |
hex | 3e1edd43 |
1042210115 has 4 divisors (see below), whose sum is σ = 1250652144. Its totient is φ = 833768088.
The previous prime is 1042210087. The next prime is 1042210139. The reversal of 1042210115 is 5110122401.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1042210115 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1042210093 and 1042210102.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104221007 + ... + 104221016.
It is an arithmetic number, because the mean of its divisors is an integer number (312663036).
Almost surely, 21042210115 is an apocalyptic number.
1042210115 is a deficient number, since it is larger than the sum of its proper divisors (208442029).
1042210115 is an equidigital number, since it uses as much as digits as its factorization.
1042210115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208442028.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 1042210115 is about 32283.2791859811. The cubic root of 1042210115 is about 1013.8765879497.
Adding to 1042210115 its reverse (5110122401), we get a palindrome (6152332516).
The spelling of 1042210115 in words is "one billion, forty-two million, two hundred ten thousand, one hundred fifteen".
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