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5191655797 = 31116693427
BaseRepresentation
bin1001101010111001…
…00110000101110101
3111101211000102220001
410311130212011311
541113030441142
62215055111301
7242440226506
oct46534460565
914354012801
105191655797
112224610929
12100a812531
13649783ba3
14373710bad
15205bb35b7
hex135726175

5191655797 has 4 divisors (see below), whose sum is σ = 5208349536. Its totient is φ = 5174962060.

The previous prime is 5191655773. The next prime is 5191655813. The reversal of 5191655797 is 7975561915.

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 not a de Polignac number, because 5191655797 - 27 = 5191655669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5191655717) by changing a digit.

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, 8346403 + ... + 8347024.

It is an arithmetic number, because the mean of its divisors is an integer number (1302087384).

Almost surely, 25191655797 is an apocalyptic number.

It is an amenable number.

5191655797 is a deficient number, since it is larger than the sum of its proper divisors (16693739).

5191655797 is a wasteful number, since it uses less digits than its factorization.

5191655797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16693738.

The product of its digits is 2976750, while the sum is 55.

The square root of 5191655797 is about 72053.1456426435. The cubic root of 5191655797 is about 1731.5510382998.

The spelling of 5191655797 in words is "five billion, one hundred ninety-one million, six hundred fifty-five thousand, seven hundred ninety-seven".

Divisors: 1 311 16693427 5191655797