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8034868525 = 521718905573
BaseRepresentation
bin1110111101110101…
…00101110100101101
3202201222000121112011
413132322211310231
5112423411243100
63405143041221
7403053153445
oct73672456455
922658017464
108034868525
113453523712
121682a40211
139b0831098
14563183125
153205d6bba
hex1deea5d2d

8034868525 has 12 divisors (see below), whose sum is σ = 10549310292. Its totient is φ = 6049783040.

The previous prime is 8034868493. The next prime is 8034868547. The reversal of 8034868525 is 5258684308.

It can be written as a sum of positive squares in 6 ways, for example, as 192349161 + 7842519364 = 13869^2 + 88558^2 .

It is not a de Polignac number, because 8034868525 - 25 = 8034868493 is a prime.

It is a super-2 number, since 2×80348685252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9452362 + ... + 9453211.

It is an arithmetic number, because the mean of its divisors is an integer number (879109191).

Almost surely, 28034868525 is an apocalyptic number.

8034868525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8034868525 is a deficient number, since it is larger than the sum of its proper divisors (2514441767).

8034868525 is a wasteful number, since it uses less digits than its factorization.

8034868525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18905600 (or 18905595 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The square root of 8034868525 is about 89637.4281480677. The cubic root of 8034868525 is about 2002.9014990328.

The spelling of 8034868525 in words is "eight billion, thirty-four million, eight hundred sixty-eight thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 425 18905573 94527865 321394741 472639325 1606973705 8034868525