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7145083738 = 213221139301
BaseRepresentation
bin1101010011110000…
…10101001101011010
3200102221201212021001
412221320111031122
5104113120134423
63140555535214
7342030131632
oct65170251532
920387655231
107145083738
113037239191
121474a5a50a
1389b3a3200
144bad256c2
152bc426cad
hex1a9e1535a

7145083738 has 12 divisors (see below), whose sum is σ = 11605476798. Its totient is φ = 3297730800.

The previous prime is 7145083723. The next prime is 7145083739. The reversal of 7145083738 is 8373805417.

It can be written as a sum of positive squares in 3 ways, for example, as 3851815969 + 3293267769 = 62063^2 + 57387^2 .

It is not an unprimeable number, because it can be changed into a prime (7145083739) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 10569313 + ... + 10569988.

Almost surely, 27145083738 is an apocalyptic number.

7145083738 is a deficient number, since it is larger than the sum of its proper divisors (4460393060).

7145083738 is a wasteful number, since it uses less digits than its factorization.

7145083738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21139329 (or 21139316 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 7145083738 is about 84528.5971609609. The cubic root of 7145083738 is about 1926.0568762550.

The spelling of 7145083738 in words is "seven billion, one hundred forty-five million, eighty-three thousand, seven hundred thirty-eight".

Divisors: 1 2 13 26 169 338 21139301 42278602 274810913 549621826 3572541869 7145083738