Search a number
-
+
305050002755 = 561010000551
BaseRepresentation
bin1000111000001100110…
…01011010010101000011
31002011101110101202012012
410130012121122111003
514444220300042010
6352045452123135
731016265145421
oct4340631322503
91064343352165
10305050002755
111084098570a3
124b1547664ab
13229c6146c14
1410a9badc111
157e05be1005
hex470665a543

305050002755 has 4 divisors (see below), whose sum is σ = 366060003312. Its totient is φ = 244040002200.

The previous prime is 305050002743. The next prime is 305050002781. The reversal of 305050002755 is 557200050503.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557200050503 = 1732776473559.

It is a de Polignac number, because none of the positive numbers 2k-305050002755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30505000271 + ... + 30505000280.

It is an arithmetic number, because the mean of its divisors is an integer number (91515000828).

Almost surely, 2305050002755 is an apocalyptic number.

305050002755 is a deficient number, since it is larger than the sum of its proper divisors (61010000557).

305050002755 is an equidigital number, since it uses as much as digits as its factorization.

305050002755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61010000556.

The product of its (nonzero) digits is 26250, while the sum is 32.

The spelling of 305050002755 in words is "three hundred five billion, fifty million, two thousand, seven hundred fifty-five".

Divisors: 1 5 61010000551 305050002755