Base | Representation |
---|---|
bin | 10001001010010000… |
… | …111110011111000101 |
3 | 1202120010110022122120 |
4 | 101022100332133011 |
5 | 300214003132123 |
6 | 12244213320153 |
7 | 1221415666641 |
oct | 211220763705 |
9 | 52503408576 |
10 | 18425833413 |
11 | 78a59a23a9 |
12 | 36a2936059 |
13 | 1978518510 |
14 | c6b1d7c21 |
15 | 72c9712e3 |
hex | 44a43e7c5 |
18425833413 has 32 divisors (see below), whose sum is σ = 27718828032. Its totient is φ = 10809374400.
The previous prime is 18425833403. The next prime is 18425833429. The reversal of 18425833413 is 31433852481.
It is not a de Polignac number, because 18425833413 - 217 = 18425702341 is a prime.
It is a super-2 number, since 2×184258334132 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18425833403) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32733 + ... + 194738.
It is an arithmetic number, because the mean of its divisors is an integer number (866213376).
Almost surely, 218425833413 is an apocalyptic number.
18425833413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
18425833413 is a deficient number, since it is larger than the sum of its proper divisors (9292994619).
18425833413 is a wasteful number, since it uses less digits than its factorization.
18425833413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227585.
The product of its digits is 276480, while the sum is 42.
The spelling of 18425833413 in words is "eighteen billion, four hundred twenty-five million, eight hundred thirty-three thousand, four hundred thirteen".
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