Search a number
-
+
5191799937 = 31730599979
BaseRepresentation
bin1001101010111010…
…01001010010000001
3111101211021202121120
410311131021102001
541113100044222
62215102142453
7242441366652
oct46535112201
914354252546
105191799937
1122246aa155
12100a881a29
1364980468c
1437374b529
15205be115c
hex135749481

5191799937 has 4 divisors (see below), whose sum is σ = 6922399920. Its totient is φ = 3461199956.

The previous prime is 5191799923. The next prime is 5191799971. The reversal of 5191799937 is 7399971915.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5191799937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5191799237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865299987 + ... + 865299992.

It is an arithmetic number, because the mean of its divisors is an integer number (1730599980).

Almost surely, 25191799937 is an apocalyptic number.

It is an amenable number.

5191799937 is a deficient number, since it is larger than the sum of its proper divisors (1730599983).

5191799937 is a wasteful number, since it uses less digits than its factorization.

5191799937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730599982.

The product of its digits is 4822335, while the sum is 60.

The square root of 5191799937 is about 72054.1458696167. The cubic root of 5191799937 is about 1731.5670629534.

The spelling of 5191799937 in words is "five billion, one hundred ninety-one million, seven hundred ninety-nine thousand, nine hundred thirty-seven".

Divisors: 1 3 1730599979 5191799937