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5081127031 = 19725792523
BaseRepresentation
bin1001011101101101…
…11101100001110111
3111010010000222221001
410232312331201313
540401232031111
62200110104131
7236625603301
oct45666754167
914103028831
105081127031
112178188a42
12b997ab047
1362c8c4c56
14362b7c971
151eb12e1c1
hex12edbd877

5081127031 has 4 divisors (see below), whose sum is σ = 5106919752. Its totient is φ = 5055334312.

The previous prime is 5081127017. The next prime is 5081127043. The reversal of 5081127031 is 1307211805.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1307211805 = 5261442361.

It is a cyclic number.

It is not a de Polignac number, because 5081127031 - 225 = 5047572599 is a prime.

It is a super-2 number, since 2×50811270312 = 51635703810317749922, 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 (5081127001) 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, 12896065 + ... + 12896458.

It is an arithmetic number, because the mean of its divisors is an integer number (1276729938).

Almost surely, 25081127031 is an apocalyptic number.

5081127031 is a deficient number, since it is larger than the sum of its proper divisors (25792721).

5081127031 is a wasteful number, since it uses less digits than its factorization.

5081127031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25792720.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 5081127031 is about 71282.0245994739. The cubic root of 5081127031 is about 1719.1747247604.

Adding to 5081127031 its reverse (1307211805), we get a palindrome (6388338836).

The spelling of 5081127031 in words is "five billion, eighty-one million, one hundred twenty-seven thousand, thirty-one".

Divisors: 1 197 25792523 5081127031