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5147224021 = 127155925997
BaseRepresentation
bin1001100101100110…
…00110011111010101
3111021201102001221201
410302303012133111
541020142132041
62210430512501
7241360453012
oct46263063725
914251361851
105147224021
112201523655
12bb7965731
136404c80b4
1436b866709
15201d38631
hex132cc67d5

5147224021 has 8 divisors (see below), whose sum is σ = 5191280640. Its totient is φ = 5103222768.

The previous prime is 5147223997. The next prime is 5147224037. The reversal of 5147224021 is 1204227415.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5147224021 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 (5147224081) 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, 184995 + ... + 210991.

It is an arithmetic number, because the mean of its divisors is an integer number (648910080).

Almost surely, 25147224021 is an apocalyptic number.

It is an amenable number.

5147224021 is a deficient number, since it is larger than the sum of its proper divisors (44056619).

5147224021 is a wasteful number, since it uses less digits than its factorization.

5147224021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27683.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 5147224021 is about 71744.1567028284. The cubic root of 5147224021 is about 1726.5971648348.

The spelling of 5147224021 in words is "five billion, one hundred forty-seven million, two hundred twenty-four thousand, twenty-one".

Divisors: 1 127 1559 25997 197993 3301619 40529323 5147224021