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8330741021 = 12376734633
BaseRepresentation
bin1111100001000110…
…10000010100011101
3210111120202111021202
413300203100110131
5114030132203041
63454352405245
7413305062461
oct76043202435
923446674252
108330741021
113595539039
121745b46825
13a29c15275
145905a04a1
1533b57ca9b
hex1f08d051d

8330741021 has 4 divisors (see below), whose sum is σ = 8337476892. Its totient is φ = 8324005152.

The previous prime is 8330740997. The next prime is 8330741077. The reversal of 8330741021 is 1201470338.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1201470338 = 2600735169.

It can be written as a sum of positive squares in 2 ways, for example, as 5599528900 + 2731212121 = 74830^2 + 52261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8330741021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8339741021) 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, 3366080 + ... + 3368553.

It is an arithmetic number, because the mean of its divisors is an integer number (2084369223).

Almost surely, 28330741021 is an apocalyptic number.

It is an amenable number.

8330741021 is a deficient number, since it is larger than the sum of its proper divisors (6735871).

8330741021 is a wasteful number, since it uses less digits than its factorization.

8330741021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735870.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 8330741021 is about 91272.8931337229. The cubic root of 8330741021 is about 2027.1904171585.

The spelling of 8330741021 in words is "eight billion, three hundred thirty million, seven hundred forty-one thousand, twenty-one".

Divisors: 1 1237 6734633 8330741021