Search a number
-
+
18425833413 = 3133167227471
BaseRepresentation
bin10001001010010000…
…111110011111000101
31202120010110022122120
4101022100332133011
5300214003132123
612244213320153
71221415666641
oct211220763705
952503408576
1018425833413
1178a59a23a9
1236a2936059
131978518510
14c6b1d7c21
1572c9712e3
hex44a43e7c5

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".

Divisors: 1 3 13 31 39 67 93 201 403 871 1209 2077 2613 6231 27001 81003 227471 682413 2957123 7051601 8871369 15240557 21154803 45721671 91670813 198127241 275012439 472457267 594381723 1417371801 6141944471 18425833413