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5171394901 = 19272178679
BaseRepresentation
bin1001101000011110…
…10011100101010101
3111100101220002011111
410310033103211111
541042334114101
62213052535021
7242103063031
oct46417234525
914311802144
105171394901
112214132592
121003a81471
1364550baaa
14370b591c1
15204010251
hex1343d3955

5171394901 has 4 divisors (see below), whose sum is σ = 5443573600. Its totient is φ = 4899216204.

The previous prime is 5171394881. The next prime is 5171394961. The reversal of 5171394901 is 1094931715.

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 5171394901 - 213 = 5171386709 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 (5171394961) 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, 136089321 + ... + 136089358.

It is an arithmetic number, because the mean of its divisors is an integer number (1360893400).

Almost surely, 25171394901 is an apocalyptic number.

It is an amenable number.

5171394901 is a deficient number, since it is larger than the sum of its proper divisors (272178699).

5171394901 is a wasteful number, since it uses less digits than its factorization.

5171394901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272178698.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 5171394901 is about 71912.4113140423. The cubic root of 5171394901 is about 1729.2955913568.

The spelling of 5171394901 in words is "five billion, one hundred seventy-one million, three hundred ninety-four thousand, nine hundred one".

Divisors: 1 19 272178679 5171394901