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5185768807 = 23225468209
BaseRepresentation
bin1001101010001100…
…01000110101100111
3111101101221100110101
410311012020311213
541110024100212
62214325004531
7242336210332
oct46506106547
914341840411
105185768807
11222125a94a
121008853747
136484a246b
14372a1b619
152053ee157
hex135188d67

5185768807 has 4 divisors (see below), whose sum is σ = 5411237040. Its totient is φ = 4960300576.

The previous prime is 5185768769. The next prime is 5185768871. The reversal of 5185768807 is 7088675815.

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 5185768807 - 211 = 5185766759 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 (5185760807) 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, 112734082 + ... + 112734127.

It is an arithmetic number, because the mean of its divisors is an integer number (1352809260).

Almost surely, 25185768807 is an apocalyptic number.

5185768807 is a deficient number, since it is larger than the sum of its proper divisors (225468233).

5185768807 is a wasteful number, since it uses less digits than its factorization.

5185768807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225468232.

The product of its (nonzero) digits is 3763200, while the sum is 55.

The square root of 5185768807 is about 72012.2823343352. The cubic root of 5185768807 is about 1730.8963031224.

The spelling of 5185768807 in words is "five billion, one hundred eighty-five million, seven hundred sixty-eight thousand, eight hundred seven".

Divisors: 1 23 225468209 5185768807