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8207245130 = 257196170861
BaseRepresentation
bin1111010010011000…
…01001111101001010
3210011222101020202212
413221030021331022
5113302023321010
63434221425122
7410245301240
oct75114117512
923158336685
108207245130
113531859817
12171070b1a2
13a0a466086
1457c014790
153307d6505
hex1e9309f4a

8207245130 has 32 divisors (see below), whose sum is σ = 17772082560. Its totient is φ = 2665811520.

The previous prime is 8207245129. The next prime is 8207245157. The reversal of 8207245130 is 315427028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3084101 + ... + 3086760.

It is an arithmetic number, because the mean of its divisors is an integer number (555377580).

Almost surely, 28207245130 is an apocalyptic number.

8207245130 is an abundant number, since it is smaller than the sum of its proper divisors (9564837430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8207245130 is a wasteful number, since it uses less digits than its factorization.

8207245130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170894.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 8207245130 is about 90593.8470868745. The cubic root of 8207245130 is about 2017.1234036267.

The spelling of 8207245130 in words is "eight billion, two hundred seven million, two hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 6170861 12341722 30854305 43196027 61708610 86392054 117246359 215980135 234492718 431960270 586231795 820724513 1172463590 1641449026 4103622565 8207245130