Search a number
-
+
305124042045 = 3520341602803
BaseRepresentation
bin1000111000010101100…
…11110110010100111101
31002011120121201100000010
410130022303312110331
514444343223321140
6352101055053433
731021154364414
oct4341263662475
91064517640003
10305124042045
11108447626999
124b175511279
1322a0859b154
1410aa789247b
157e0c468880
hex470acf653d

305124042045 has 8 divisors (see below), whose sum is σ = 488198467296. Its totient is φ = 162732822416.

The previous prime is 305124042007. The next prime is 305124042061. The reversal of 305124042045 is 540240421503.

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

It is a cyclic number.

It is not a de Polignac number, because 305124042045 - 231 = 302976558397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10170801387 + ... + 10170801416.

It is an arithmetic number, because the mean of its divisors is an integer number (61024808412).

Almost surely, 2305124042045 is an apocalyptic number.

It is an amenable number.

305124042045 is a deficient number, since it is larger than the sum of its proper divisors (183074425251).

305124042045 is a wasteful number, since it uses less digits than its factorization.

305124042045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20341602811.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 305124042045 its reverse (540240421503), we get a palindrome (845364463548).

The spelling of 305124042045 in words is "three hundred five billion, one hundred twenty-four million, forty-two thousand, forty-five".

Divisors: 1 3 5 15 20341602803 61024808409 101708014015 305124042045