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5100242305 = 51020048461
BaseRepresentation
bin1001011111111111…
…11000010110000001
3111011110000011011011
410233333320112001
540421130223210
62202031520521
7240250226044
oct45777702601
914143004134
105100242305
112187a54594
12ba4089141
13633858772
14365516c5b
151ecb57d8a
hex12fff8581

5100242305 has 4 divisors (see below), whose sum is σ = 6120290772. Its totient is φ = 4080193840.

The previous prime is 5100242293. The next prime is 5100242321. The reversal of 5100242305 is 5032420015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2534921104 + 2565321201 = 50348^2 + 50649^2 .

It is not a de Polignac number, because 5100242305 - 231 = 2952758657 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510024226 + ... + 510024235.

It is an arithmetic number, because the mean of its divisors is an integer number (1530072693).

Almost surely, 25100242305 is an apocalyptic number.

It is an amenable number.

5100242305 is a deficient number, since it is larger than the sum of its proper divisors (1020048467).

5100242305 is a wasteful number, since it uses less digits than its factorization.

5100242305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020048466.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5100242305 is about 71415.9807396076. The cubic root of 5100242305 is about 1721.3278804088.

The spelling of 5100242305 in words is "five billion, one hundred million, two hundred forty-two thousand, three hundred five".

Divisors: 1 5 1020048461 5100242305