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8275080129 = 326310488061
BaseRepresentation
bin1111011010011101…
…11011001111000001
3210100201000121220020
413231032323033001
5113421410031004
63445043404053
7412031010021
oct75516731701
923321017806
108275080129
1135670811a8
12172b383629
13a1b527324
14587031a81
153367358d9
hex1ed3bb3c1

8275080129 has 8 divisors (see below), whose sum is σ = 11075393472. Its totient is φ = 5495743440.

The previous prime is 8275080103. The next prime is 8275080133. The reversal of 8275080129 is 9210805728.

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

It is not a de Polignac number, because 8275080129 - 28 = 8275079873 is a prime.

It is a super-2 number, since 2×82750801292 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8275080529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5243242 + ... + 5244819.

It is an arithmetic number, because the mean of its divisors is an integer number (1384424184).

Almost surely, 28275080129 is an apocalyptic number.

It is an amenable number.

8275080129 is a deficient number, since it is larger than the sum of its proper divisors (2800313343).

8275080129 is a wasteful number, since it uses less digits than its factorization.

8275080129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488327.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 8275080129 is about 90967.4674210511. The cubic root of 8275080129 is about 2022.6655110667.

The spelling of 8275080129 in words is "eight billion, two hundred seventy-five million, eighty thousand, one hundred twenty-nine".

Divisors: 1 3 263 789 10488061 31464183 2758360043 8275080129