Base | Representation |
---|---|
bin | 10001100010000000… |
… | …010100001111001010 |
3 | 1210120212220100002120 |
4 | 101202000110033022 |
5 | 302022433303432 |
6 | 12351522112110 |
7 | 1234323242055 |
oct | 214200241712 |
9 | 53525810076 |
10 | 18824119242 |
11 | 7a8a7a7445 |
12 | 37941ab636 |
13 | 1a0cba97c6 |
14 | ca8073a9c |
15 | 7528e6c2c |
hex | 4620143ca |
18824119242 has 32 divisors (see below), whose sum is σ = 39648782400. Its totient is φ = 5941600128.
The previous prime is 18824119229. The next prime is 18824119247. The reversal of 18824119242 is 24291142881.
It is a junction number, because it is equal to n+sod(n) for n = 18824119194 and 18824119203.
It is not an unprimeable number, because it can be changed into a prime (18824119247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204984 + ... + 282252.
It is an arithmetic number, because the mean of its divisors is an integer number (1239024450).
Almost surely, 218824119242 is an apocalyptic number.
18824119242 is an abundant number, since it is smaller than the sum of its proper divisors (20824663158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18824119242 is a wasteful number, since it uses less digits than its factorization.
18824119242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79430.
The product of its digits is 73728, while the sum is 42.
The spelling of 18824119242 in words is "eighteen billion, eight hundred twenty-four million, one hundred nineteen thousand, two hundred forty-two".
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