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5135982487 = 12569408623
BaseRepresentation
bin1001100100010000…
…01101111110010111
3111020221020221110121
410302020031332113
541004302414422
62205345532411
7241163062606
oct46210157627
914227227417
105135982487
1121a6145729
12bb4044107
1363b0903bc
1436a17ba3d
15200d678c7
hex13220df97

5135982487 has 4 divisors (see below), whose sum is σ = 5136403680. Its totient is φ = 5135561296.

The previous prime is 5135982461. The next prime is 5135982491. The reversal of 5135982487 is 7842895315.

It is a happy number.

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 5135982487 - 219 = 5135458199 is a prime.

It is a super-2 number, since 2×51359824872 = 52756632213541410338, 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 (5135982427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191743 + ... + 216880.

It is an arithmetic number, because the mean of its divisors is an integer number (1284100920).

Almost surely, 25135982487 is an apocalyptic number.

5135982487 is a deficient number, since it is larger than the sum of its proper divisors (421193).

5135982487 is a wasteful number, since it uses less digits than its factorization.

5135982487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421192.

The product of its digits is 2419200, while the sum is 52.

The square root of 5135982487 is about 71665.7692835289. The cubic root of 5135982487 is about 1725.3392862833.

The spelling of 5135982487 in words is "five billion, one hundred thirty-five million, nine hundred eighty-two thousand, four hundred eighty-seven".

Divisors: 1 12569 408623 5135982487