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4057029521 = 13131199581
BaseRepresentation
bin1111000111010001…
…0101101110010001
3101110202000110020122
43301310111232101
531302044421041
61510324120025
7202352116256
oct36164255621
911422013218
104057029521
1117a20a6366
12952836015
134c869b5ac
142a6b5b42d
1518b28cc4b
hexf1d15b91

4057029521 has 8 divisors (see below), whose sum is σ = 4101185088. Its totient is φ = 4013074000.

The previous prime is 4057029497. The next prime is 4057029523. The reversal of 4057029521 is 1259207504.

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 4057029521 - 214 = 4057013137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4057029523) 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 7 ways as a sum of consecutive naturals, for example, 9050 + ... + 90531.

It is an arithmetic number, because the mean of its divisors is an integer number (512648136).

Almost surely, 24057029521 is an apocalyptic number.

It is an amenable number.

4057029521 is a deficient number, since it is larger than the sum of its proper divisors (44155567).

4057029521 is a wasteful number, since it uses less digits than its factorization.

4057029521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100023.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 4057029521 is about 63694.8154954546. The cubic root of 4057029521 is about 1594.9095405700.

The spelling of 4057029521 in words is "four billion, fifty-seven million, twenty-nine thousand, five hundred twenty-one".

Divisors: 1 131 311 40741 99581 13045111 30969691 4057029521