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8325625645 = 517121380749
BaseRepresentation
bin1111100000011111…
…01111011100101101
3210111020010121022101
413300033233130231
5114022330010040
63454051015101
7413213436031
oct76017573455
923436117271
108325625645
113592664857
12174429a491
13a28b43b0c
1458da2c1c1
1533adbc09a
hex1f03ef72d

8325625645 has 16 divisors (see below), whose sum is σ = 10587294000. Its totient is φ = 6263460864.

The previous prime is 8325625619. The next prime is 8325625657. The reversal of 8325625645 is 5465265238.

It can be written as a sum of positive squares in 8 ways, for example, as 25140196 + 8300485449 = 5014^2 + 91107^2 .

It is a cyclic number.

It is not a de Polignac number, because 8325625645 - 219 = 8325101357 is a prime.

It is a super-3 number, since 3×83256256453 (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8325625595 and 8325625604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62731 + ... + 143479.

It is an arithmetic number, because the mean of its divisors is an integer number (661705875).

Almost surely, 28325625645 is an apocalyptic number.

8325625645 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8325625645 is a deficient number, since it is larger than the sum of its proper divisors (2261668355).

8325625645 is a wasteful number, since it uses less digits than its factorization.

8325625645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81984.

The product of its digits is 1728000, while the sum is 46.

The square root of 8325625645 is about 91244.8664035408. The cubic root of 8325625645 is about 2026.7754094823.

The spelling of 8325625645 in words is "eight billion, three hundred twenty-five million, six hundred twenty-five thousand, six hundred forty-five".

Divisors: 1 5 17 85 1213 6065 20621 80749 103105 403745 1372733 6863665 97948537 489742685 1665125129 8325625645