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5185050631 = 38913329179
BaseRepresentation
bin1001101010000110…
…11001100000000111
3111101100120212022021
410311003121200013
541104333110011
62214301344011
7242330126455
oct46503314007
914340525267
105185050631
11222090a312
121008568007
136482b05c7
143728b19d5
1520530b471
hex1350d9807

5185050631 has 4 divisors (see below), whose sum is σ = 5198380200. Its totient is φ = 5171721064.

The previous prime is 5185050613. The next prime is 5185050649. The reversal of 5185050631 is 1360505815.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1360505815 = 5272101163.

It is an interprime number because it is at equal distance from previous prime (5185050613) and next prime (5185050649).

It is a cyclic number.

It is not a de Polignac number, because 5185050631 - 25 = 5185050599 is a prime.

It is a super-2 number, since 2×51850506312 = 53769500092066996322, 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 (5185050601) 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, 6664201 + ... + 6664978.

It is an arithmetic number, because the mean of its divisors is an integer number (1299595050).

Almost surely, 25185050631 is an apocalyptic number.

5185050631 is a deficient number, since it is larger than the sum of its proper divisors (13329569).

5185050631 is a wasteful number, since it uses less digits than its factorization.

5185050631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13329568.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 5185050631 is about 72007.2956789796. The cubic root of 5185050631 is about 1730.8163956153.

The spelling of 5185050631 in words is "five billion, one hundred eighty-five million, fifty thousand, six hundred thirty-one".

Divisors: 1 389 13329179 5185050631