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5021001971 = 29673257263
BaseRepresentation
bin1001010110100011…
…00110100011110011
3110221220220022211222
410223101212203303
540240334030341
62150121255255
7235265545466
oct45321464363
913856808758
105021001971
112147252107
12b8163452b
136203030ab
14358bab2dd
151e5c0444b
hex12b4668f3

5021001971 has 8 divisors (see below), whose sum is σ = 5201878080. Its totient is φ = 4840641792.

The previous prime is 5021001967. The next prime is 5021002001. The reversal of 5021001971 is 1791001205.

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 5021001971 - 22 = 5021001967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5021001971.

It is not an unprimeable number, because it can be changed into a prime (5021001071) 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, 109115 + ... + 148148.

It is an arithmetic number, because the mean of its divisors is an integer number (650234760).

Almost surely, 25021001971 is an apocalyptic number.

5021001971 is a deficient number, since it is larger than the sum of its proper divisors (180876109).

5021001971 is a wasteful number, since it uses less digits than its factorization.

5021001971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257965.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 5021001971 is about 70859.0288601248. The cubic root of 5021001971 is about 1712.3667933115.

The spelling of 5021001971 in words is "five billion, twenty-one million, one thousand, nine hundred seventy-one".

Divisors: 1 29 673 19517 257263 7460627 173137999 5021001971