Search a number
-
+
5781429681 = 313114711017
BaseRepresentation
bin1010110001001100…
…11001110110110001
3112220220210001120020
411120212121312301
543320021222211
62353404034053
7263161225056
oct53046316661
915826701506
105781429681
1124a7514765
121154232929
13711a0c011
143cbb9502d
1523c861306
hex158999db1

5781429681 has 8 divisors (see below), whose sum is σ = 7767417504. Its totient is φ = 3824864160.

The previous prime is 5781429637. The next prime is 5781429697. The reversal of 5781429681 is 1869241875.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5781429681 - 217 = 5781298609 is a prime.

It is a super-2 number, since 2×57814296812 = 66849858312695523522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5781429481) 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 7 ways as a sum of consecutive naturals, for example, 7355116 + ... + 7355901.

It is an arithmetic number, because the mean of its divisors is an integer number (970927188).

Almost surely, 25781429681 is an apocalyptic number.

It is an amenable number.

5781429681 is a deficient number, since it is larger than the sum of its proper divisors (1985987823).

5781429681 is a wasteful number, since it uses less digits than its factorization.

5781429681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14711151.

The product of its digits is 967680, while the sum is 51.

The square root of 5781429681 is about 76035.7131945246. The cubic root of 5781429681 is about 1794.7821815494.

The spelling of 5781429681 in words is "five billion, seven hundred eighty-one million, four hundred twenty-nine thousand, six hundred eighty-one".

Divisors: 1 3 131 393 14711017 44133051 1927143227 5781429681