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5021550247 = 7717364321
BaseRepresentation
bin1001010110100111…
…01100011010100111
3110221221221011221111
410223103230122213
540241004101442
62150141125451
7235303321120
oct45323543247
913857834844
105021550247
11214759702a
12b81859887
1362046580c
14358cb1047
151e5cb1b17
hex12b4ec6a7

5021550247 has 4 divisors (see below), whose sum is σ = 5738914576. Its totient is φ = 4304185920.

The previous prime is 5021550227. The next prime is 5021550251. The reversal of 5021550247 is 7420551205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5021550247 - 219 = 5021025959 is a prime.

It is a super-2 number, since 2×50215502472 = 50431933766291522018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021550217) 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, 358682154 + ... + 358682167.

It is an arithmetic number, because the mean of its divisors is an integer number (1434728644).

Almost surely, 25021550247 is an apocalyptic number.

5021550247 is a deficient number, since it is larger than the sum of its proper divisors (717364329).

5021550247 is an equidigital number, since it uses as much as digits as its factorization.

5021550247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717364328.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 5021550247 is about 70862.8975346055. The cubic root of 5021550247 is about 1712.4291192145.

The spelling of 5021550247 in words is "five billion, twenty-one million, five hundred fifty thousand, two hundred forty-seven".

Divisors: 1 7 717364321 5021550247