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8857739245 = 517104208697
BaseRepresentation
bin10000011111111011…
…00101111111101101
3211212022101202221111
420033331211333231
5121120040123440
64022540032021
7432334353445
oct101775457755
924768352844
108857739245
113835a65663
121872532611
13ab2160c34
14600583125
1536c97a4ea
hex20ff65fed

8857739245 has 8 divisors (see below), whose sum is σ = 11254539384. Its totient is φ = 6669356544.

The previous prime is 8857739243. The next prime is 8857739251. The reversal of 8857739245 is 5429377588.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4404445956 + 4453293289 = 66366^2 + 66733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8857739245 - 21 = 8857739243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8857739245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8857739243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52104264 + ... + 52104433.

It is an arithmetic number, because the mean of its divisors is an integer number (1406817423).

Almost surely, 28857739245 is an apocalyptic number.

8857739245 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8857739245 is a deficient number, since it is larger than the sum of its proper divisors (2396800139).

8857739245 is a wasteful number, since it uses less digits than its factorization.

8857739245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104208719.

The product of its digits is 16934400, while the sum is 58.

The square root of 8857739245 is about 94115.5632454059. The cubic root of 8857739245 is about 2069.0657756215.

The spelling of 8857739245 in words is "eight billion, eight hundred fifty-seven million, seven hundred thirty-nine thousand, two hundred forty-five".

Divisors: 1 5 17 85 104208697 521043485 1771547849 8857739245