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8264417993 = 131361467101
BaseRepresentation
bin1111011001001100…
…10000001011001001
3210022221221221012022
413230212100023021
5113411142333433
63444023054225
7411541252046
oct75446201311
923287857168
108264417993
113561059617
1217278a1375
13a19263280
145858581cd
1533582b698
hex1ec9902c9

8264417993 has 8 divisors (see below), whose sum is σ = 8906700936. Its totient is φ = 7623072000.

The previous prime is 8264417989. The next prime is 8264418047. The reversal of 8264417993 is 3997144628.

It can be written as a sum of positive squares in 4 ways, for example, as 43731769 + 8220686224 = 6613^2 + 90668^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8264417993 - 22 = 8264417989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8264417093) 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, 215858 + ... + 251243.

It is an arithmetic number, because the mean of its divisors is an integer number (1113337617).

Almost surely, 28264417993 is an apocalyptic number.

It is an amenable number.

8264417993 is a deficient number, since it is larger than the sum of its proper divisors (642282943).

8264417993 is a wasteful number, since it uses less digits than its factorization.

8264417993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468475.

The product of its digits is 2612736, while the sum is 53.

The square root of 8264417993 is about 90908.8444157113. The cubic root of 8264417993 is about 2021.7964276916.

The spelling of 8264417993 in words is "eight billion, two hundred sixty-four million, four hundred seventeen thousand, nine hundred ninety-three".

Divisors: 1 13 1361 17693 467101 6072313 635724461 8264417993