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8265076405 = 517796312211
BaseRepresentation
bin1111011001010001…
…10000111010110101
3210100000012101100221
413230220300322311
5113411324421110
63444045134341
7411546663445
oct75450607265
923300171327
108265076405
113561469263
121727b5a3b1
13a19433b71
1458598a125
1533590b7da
hex1eca30eb5

8265076405 has 16 divisors (see below), whose sum is σ = 10503687744. Its totient is φ = 6221825280.

The previous prime is 8265076349. The next prime is 8265076409. The reversal of 8265076405 is 5046705628.

It is not a de Polignac number, because 8265076405 - 221 = 8262979253 is a prime.

It is a super-2 number, since 2×82650764052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8265076409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670750 + ... + 682960.

It is an arithmetic number, because the mean of its divisors is an integer number (656480484).

Almost surely, 28265076405 is an apocalyptic number.

8265076405 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8265076405 is a deficient number, since it is larger than the sum of its proper divisors (2238611339).

8265076405 is a wasteful number, since it uses less digits than its factorization.

8265076405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20196.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 8265076405 is about 90912.4656194078. The cubic root of 8265076405 is about 2021.8501172832.

The spelling of 8265076405 in words is "eight billion, two hundred sixty-five million, seventy-six thousand, four hundred five".

Divisors: 1 5 17 85 7963 12211 39815 61055 135371 207587 676855 1037935 97236193 486180965 1653015281 8265076405