Search a number
-
+
2247195791 is a prime number
BaseRepresentation
bin1000010111110001…
…0111110010001111
312210121111101002202
42011330113302033
514100240231131
61010553112115
7106454564141
oct20574276217
95717441082
102247195791
11a53535505
125286b863b
1329a747569
14174644c91
15d2440bcb
hex85f17c8f

2247195791 has 2 divisors, whose sum is σ = 2247195792. Its totient is φ = 2247195790.

The previous prime is 2247195767. The next prime is 2247195803. The reversal of 2247195791 is 1975917422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2247195791 - 210 = 2247194767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2247195191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123597895 + 1123597896.

It is an arithmetic number, because the mean of its divisors is an integer number (1123597896).

Almost surely, 22247195791 is an apocalyptic number.

2247195791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247195791 is an equidigital number, since it uses as much as digits as its factorization.

2247195791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 47.

The square root of 2247195791 is about 47404.5967285874. The cubic root of 2247195791 is about 1309.8260925251.

The spelling of 2247195791 in words is "two billion, two hundred forty-seven million, one hundred ninety-five thousand, seven hundred ninety-one".