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5105662385 = 51021132477
BaseRepresentation
bin1001100000101001…
…00011100110110001
3111011211012112002212
410300110203212301
540424022144020
62202344021505
7240344262035
oct46024434661
914154175085
105105662385
11219001679a
12ba5a61895
13634a05805
143661281c5
151ed378cc5
hex1305239b1

5105662385 has 4 divisors (see below), whose sum is σ = 6126794868. Its totient is φ = 4084529904.

The previous prime is 5105662321. The next prime is 5105662399. The reversal of 5105662385 is 5832665015.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1374407329 + 3731255056 = 37073^2 + 61084^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105662385 - 26 = 5105662321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510566234 + ... + 510566243.

It is an arithmetic number, because the mean of its divisors is an integer number (1531698717).

Almost surely, 25105662385 is an apocalyptic number.

It is an amenable number.

5105662385 is a deficient number, since it is larger than the sum of its proper divisors (1021132483).

5105662385 is a wasteful number, since it uses less digits than its factorization.

5105662385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021132482.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 5105662385 is about 71453.9179121761. The cubic root of 5105662385 is about 1721.9374221570.

The spelling of 5105662385 in words is "five billion, one hundred five million, six hundred sixty-two thousand, three hundred eighty-five".

Divisors: 1 5 1021132477 5105662385