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8213048695 = 51642609739
BaseRepresentation
bin1111010011000100…
…10010110101110111
3210012101022002202201
413221202102311313
5113310020024240
63434550045331
7410345522245
oct75142226567
923171262681
108213048695
113535063055
121712649847
13a0b718837
1457cac5795
15331080d9a
hex1e9892d77

8213048695 has 4 divisors (see below), whose sum is σ = 9855658440. Its totient is φ = 6570438952.

The previous prime is 8213048681. The next prime is 8213048713. The reversal of 8213048695 is 5968403128.

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

It is a cyclic number.

It is not a de Polignac number, because 8213048695 - 25 = 8213048663 is a prime.

It is a congruent 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, 821304865 + ... + 821304874.

It is an arithmetic number, because the mean of its divisors is an integer number (2463914610).

Almost surely, 28213048695 is an apocalyptic number.

8213048695 is a deficient number, since it is larger than the sum of its proper divisors (1642609745).

8213048695 is a wasteful number, since it uses less digits than its factorization.

8213048695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642609744.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 8213048695 is about 90625.8721061486. The cubic root of 8213048695 is about 2017.5987457727.

The spelling of 8213048695 in words is "eight billion, two hundred thirteen million, forty-eight thousand, six hundred ninety-five".

Divisors: 1 5 1642609739 8213048695