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8013472325 = 5217157120097
BaseRepresentation
bin1110111011010001…
…11110001001000101
3202200110202120110022
413131220332021011
5112402422103300
63403100304525
7402403251035
oct73550761105
922613676408
108013472325
11344243a401
121677842145
139a927c301
145603b38c5
1531d7ac285
hex1dda3e245

8013472325 has 24 divisors (see below), whose sum is σ = 10588320072. Its totient is φ = 5995192320.

The previous prime is 8013472309. The next prime is 8013472373. The reversal of 8013472325 is 5232743108.

It is a Cunningham number, because it is equal to 895182+1.

It can be written as a sum of positive squares in 12 ways, for example, as 3913503364 + 4099968961 = 62558^2 + 64031^2 .

It is not a de Polignac number, because 8013472325 - 24 = 8013472309 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 6677 + ... + 126773.

It is an arithmetic number, because the mean of its divisors is an integer number (441180003).

Almost surely, 28013472325 is an apocalyptic number.

8013472325 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8013472325 is a deficient number, since it is larger than the sum of its proper divisors (2574847747).

8013472325 is a wasteful number, since it uses less digits than its factorization.

8013472325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120281 (or 120276 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 8013472325 is about 89518.0000055855. Note that the first 5 decimals coincide. The cubic root of 8013472325 is about 2001.1220641183.

The spelling of 8013472325 in words is "eight billion, thirteen million, four hundred seventy-two thousand, three hundred twenty-five".

Divisors: 1 5 17 25 85 157 425 785 2669 3925 13345 66725 120097 600485 2041649 3002425 10208245 18855229 51041225 94276145 320538893 471380725 1602694465 8013472325