Search a number
-
+
4905181279079 = 19258167435741
BaseRepresentation
bin100011101100001001110…
…0101100111001101100111
3122100221010111222000212122
41013120103211213031213
51120331302401412304
614233224214140155
71014246651634424
oct107302345471547
918327114860778
104905181279079
111621303a55094
126727a735165b
13297730b44543
1412d5aa8d4d4b
15878dd2ea9be
hex47613967367

4905181279079 has 4 divisors (see below), whose sum is σ = 5163348714840. Its totient is φ = 4647013843320.

The previous prime is 4905181279057. The next prime is 4905181279087. The reversal of 4905181279079 is 9709721815094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4905181279079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4905181279039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129083717852 + ... + 129083717889.

It is an arithmetic number, because the mean of its divisors is an integer number (1290837178710).

Almost surely, 24905181279079 is an apocalyptic number.

4905181279079 is a deficient number, since it is larger than the sum of its proper divisors (258167435761).

4905181279079 is a wasteful number, since it uses less digits than its factorization.

4905181279079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258167435760.

The product of its (nonzero) digits is 11430720, while the sum is 62.

The spelling of 4905181279079 in words is "four trillion, nine hundred five billion, one hundred eighty-one million, two hundred seventy-nine thousand, seventy-nine".

Divisors: 1 19 258167435741 4905181279079