Base | Representation |
---|---|
bin | 1110010110110… |
… | …00011001010011 |
3 | 22101121011200212 |
4 | 13023120121103 |
5 | 221312032034 |
6 | 15541034335 |
7 | 2661405302 |
oct | 713303123 |
9 | 271534625 |
10 | 120424019 |
11 | 61a81391 |
12 | 343b59ab |
13 | 1bc44c21 |
14 | 11dca439 |
15 | a88b2ce |
hex | 72d8653 |
120424019 has 2 divisors, whose sum is σ = 120424020. Its totient is φ = 120424018.
The previous prime is 120424013. The next prime is 120424061. The reversal of 120424019 is 910424021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 120424019 - 28 = 120423763 is a prime.
It is a super-2 number, since 2×1204240192 = 29003888704224722, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 120423985 and 120424003.
It is not a weakly prime, because it can be changed into another prime (120424013) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60212009 + 60212010.
It is an arithmetic number, because the mean of its divisors is an integer number (60212010).
Almost surely, 2120424019 is an apocalyptic number.
120424019 is a deficient number, since it is larger than the sum of its proper divisors (1).
120424019 is an equidigital number, since it uses as much as digits as its factorization.
120424019 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 120424019 is about 10973.7878146062. The cubic root of 120424019 is about 493.8226879260.
It can be divided in two parts, 12042 and 4019, that added together give a palindrome (16061).
The spelling of 120424019 in words is "one hundred twenty million, four hundred twenty-four thousand, nineteen".
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