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5120358071 = 31165172841
BaseRepresentation
bin1001100010011001…
…00111011010110111
3111012211212010210112
410301030213122313
540441302424241
62204031013235
7240613216433
oct46114473267
914184763715
105120358071
112198343894
12baa96a21b
13637a7c79a
143680719c3
151ee7cd1eb
hex1313276b7

5120358071 has 4 divisors (see below), whose sum is σ = 5285530944. Its totient is φ = 4955185200.

The previous prime is 5120358053. The next prime is 5120358077. The reversal of 5120358071 is 1708530215.

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 5120358071 - 26 = 5120358007 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 (5120358077) 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, 82586390 + ... + 82586451.

It is an arithmetic number, because the mean of its divisors is an integer number (1321382736).

Almost surely, 25120358071 is an apocalyptic number.

5120358071 is a deficient number, since it is larger than the sum of its proper divisors (165172873).

5120358071 is a wasteful number, since it uses less digits than its factorization.

5120358071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165172872.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 5120358071 is about 71556.6773334257. The cubic root of 5120358071 is about 1723.5879302860.

Adding to 5120358071 its reverse (1708530215), we get a palindrome (6828888286).

The spelling of 5120358071 in words is "five billion, one hundred twenty million, three hundred fifty-eight thousand, seventy-one".

Divisors: 1 31 165172841 5120358071