Search a number
-
+
74794000051 = 445716781243
BaseRepresentation
bin100010110101000010…
…0011101111010110011
321011001112002212122001
41011222010131322303
52211134231000201
654205422554431
75255315340121
oct1055204357263
9234045085561
1074794000051
11297a1299291
12125b4438a17
13708c6cac84
1438975b2911
151e2b425301
hex116a11deb3

74794000051 has 4 divisors (see below), whose sum is σ = 74810785752. Its totient is φ = 74777214352.

The previous prime is 74794000033. The next prime is 74794000063. The reversal of 74794000051 is 15000049747.

74794000051 = T223298 + T223299 + T223300.

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

It is a cyclic number.

It is not a de Polignac number, because 74794000051 - 25 = 74794000019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74794003051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8386165 + ... + 8395078.

It is an arithmetic number, because the mean of its divisors is an integer number (18702696438).

Almost surely, 274794000051 is an apocalyptic number.

74794000051 is the 223300-th centered triangular number.

74794000051 is a deficient number, since it is larger than the sum of its proper divisors (16785701).

74794000051 is a wasteful number, since it uses less digits than its factorization.

74794000051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16785700.

The product of its (nonzero) digits is 35280, while the sum is 37.

Adding to 74794000051 its reverse (15000049747), we get a palindrome (89794049798).

The spelling of 74794000051 in words is "seventy-four billion, seven hundred ninety-four million, fifty-one", and thus it is an aban number.

Divisors: 1 4457 16781243 74794000051