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8109248648 = 239191102999
BaseRepresentation
bin1111000110101100…
…10101000010001000
3202221010222111212112
413203112111002020
5113101431424043
63420401201452
7404645322224
oct74326250210
922833874775
108109248648
113491506596
1216a3930288
139c30744a7
1456cdc5784
15326dca518
hex1e3595088

8109248648 has 16 divisors (see below), whose sum is σ = 15221400000. Its totient is φ = 4050208656.

The previous prime is 8109248647. The next prime is 8109248669. The reversal of 8109248648 is 8468429018.

It is a junction number, because it is equal to n+sod(n) for n = 8109248596 and 8109248605.

It is not an unprimeable number, because it can be changed into a prime (8109248647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544148 + ... + 558851.

It is an arithmetic number, because the mean of its divisors is an integer number (951337500).

Almost surely, 28109248648 is an apocalyptic number.

It is an amenable number.

8109248648 is a deficient number, since it is larger than the sum of its proper divisors (7112151352).

8109248648 is a wasteful number, since it uses less digits than its factorization.

8109248648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103924 (or 1103920 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 50.

The square root of 8109248648 is about 90051.3667192231. The cubic root of 8109248648 is about 2009.0629236741.

The spelling of 8109248648 in words is "eight billion, one hundred nine million, two hundred forty-eight thousand, six hundred forty-eight".

Divisors: 1 2 4 8 919 1838 3676 7352 1102999 2205998 4411996 8823992 1013656081 2027312162 4054624324 8109248648