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5085387640 = 235127134691
BaseRepresentation
bin1001011110001110…
…01101101101111000
3111010102001110101101
410233013031231320
540403324401030
62200341301144
7240010040014
oct45707155570
914112043341
105085387640
11217a629003
12b9b1047b4
13630757318
1436356b544
151eb6c17ca
hex12f1cdb78

5085387640 has 16 divisors (see below), whose sum is σ = 11442122280. Its totient is φ = 2034155040.

The previous prime is 5085387623. The next prime is 5085387737. The reversal of 5085387640 is 467835805.

It is a super-2 number, since 2×50853876402 = 51722334898129539200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63567306 + ... + 63567385.

Almost surely, 25085387640 is an apocalyptic number.

It is an amenable number.

5085387640 is an abundant number, since it is smaller than the sum of its proper divisors (6356734640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5085387640 is a wasteful number, since it uses less digits than its factorization.

5085387640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127134702 (or 127134698 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 5085387640 is about 71311.9039151249. The cubic root of 5085387640 is about 1719.6551093227.

The spelling of 5085387640 in words is "five billion, eighty-five million, three hundred eighty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 127134691 254269382 508538764 635673455 1017077528 1271346910 2542693820 5085387640