Search a number
-
+
74309420183 = 294732521271
BaseRepresentation
bin100010100110100101…
…1111100010010010111
321002210202021200000112
41011031023330102113
52204141202421213
654045352433235
75240312435615
oct1051513742227
9232722250015
1074309420183
1129572804259
121249a0a881b
1370131b481b
14384d0b26b5
151dedb05ea8
hex114d2fc497

74309420183 has 4 divisors (see below), whose sum is σ = 74311970928. Its totient is φ = 74306869440.

The previous prime is 74309420173. The next prime is 74309420191. The reversal of 74309420183 is 38102490347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38102490347 = 38399484309.

It is a cyclic number.

It is not a de Polignac number, because 74309420183 - 234 = 57129550999 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 74309420183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74309420173) 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, 1231163 + ... + 1290108.

It is an arithmetic number, because the mean of its divisors is an integer number (18577992732).

Almost surely, 274309420183 is an apocalyptic number.

74309420183 is a deficient number, since it is larger than the sum of its proper divisors (2550745).

74309420183 is a wasteful number, since it uses less digits than its factorization.

74309420183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550744.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 74309420183 in words is "seventy-four billion, three hundred nine million, four hundred twenty thousand, one hundred eighty-three".

Divisors: 1 29473 2521271 74309420183