Search a number
-
+
192426881913 = 32719826919441
BaseRepresentation
bin1011001100110110001…
…0010011001101111001
3200101200120010102111100
42303031202103031321
511123042240210123
6224222155522013
716621342336350
oct2631542231571
9611616112440
10192426881913
1174675a5a522
1231363459309
13151b8370306
1494563b8997
15501369c643
hex2ccd893379

192426881913 has 48 divisors (see below), whose sum is σ = 334433507200. Its totient is φ = 104152988160.

The previous prime is 192426881891. The next prime is 192426881917. The reversal of 192426881913 is 319188624291.

It is a happy number.

192426881913 is a `hidden beast` number, since 192 + 4 + 268 + 8 + 191 + 3 = 666.

It is not a de Polignac number, because 192426881913 - 212 = 192426877817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 192426881913.

It is not an unprimeable number, because it can be changed into a prime (192426881917) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9888273 + ... + 9907713.

Almost surely, 2192426881913 is an apocalyptic number.

It is an amenable number.

192426881913 is a deficient number, since it is larger than the sum of its proper divisors (142006625287).

192426881913 is a wasteful number, since it uses less digits than its factorization.

192426881913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27742 (or 27739 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The spelling of 192426881913 in words is "one hundred ninety-two billion, four hundred twenty-six million, eight hundred eighty-one thousand, nine hundred thirteen".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 8269 19441 24807 57883 58323 74421 136087 157111 173649 174969 369379 408261 471333 520947 1099777 1108137 1224783 1413999 2585653 3299331 3324411 7756959 9897993 23270877 160757629 482272887 1125303403 1446818661 3054394951 3375910209 9163184853 10127730627 21380764657 27489554559 64142293971 192426881913