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5145134387 = 31165972077
BaseRepresentation
bin1001100101010110…
…01000010100110011
3111021120110220111212
410302223020110303
541014123300022
62210314030335
7241333630541
oct46253102463
914246426455
105145134387
112200326688
12bb71183ab
1363cc45c23
1436b480d91
15201a743e2
hex132ac8533

5145134387 has 4 divisors (see below), whose sum is σ = 5311106496. Its totient is φ = 4979162280.

The previous prime is 5145134381. The next prime is 5145134399. The reversal of 5145134387 is 7834315415.

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 5145134387 - 210 = 5145133363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5145134381) 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, 82986008 + ... + 82986069.

It is an arithmetic number, because the mean of its divisors is an integer number (1327776624).

Almost surely, 25145134387 is an apocalyptic number.

5145134387 is a deficient number, since it is larger than the sum of its proper divisors (165972109).

5145134387 is a wasteful number, since it uses less digits than its factorization.

5145134387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165972108.

The product of its digits is 201600, while the sum is 41.

The square root of 5145134387 is about 71729.5921290509. The cubic root of 5145134387 is about 1726.3634825962.

The spelling of 5145134387 in words is "five billion, one hundred forty-five million, one hundred thirty-four thousand, three hundred eighty-seven".

Divisors: 1 31 165972077 5145134387