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5387367749 = 19713993601
BaseRepresentation
bin1010000010001110…
…01011010101000101
3111220110021122012212
411001013023111011
542013131231444
62250325553205
7250334604341
oct50107132505
914813248185
105387367749
112315035145
121064275805
1367b19948a
143916d8621
15217e7219e
hex1411cb545

5387367749 has 8 divisors (see below), whose sum is σ = 5750786880. Its totient is φ = 5031936000.

The previous prime is 5387367709. The next prime is 5387367781. The reversal of 5387367749 is 9477637835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5387367749 - 228 = 5118932293 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 (5387367709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995452 + ... + 1998149.

It is an arithmetic number, because the mean of its divisors is an integer number (718848360).

Almost surely, 25387367749 is an apocalyptic number.

It is an amenable number.

5387367749 is a deficient number, since it is larger than the sum of its proper divisors (363419131).

5387367749 is a wasteful number, since it uses less digits than its factorization.

5387367749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993691.

The product of its digits is 26671680, while the sum is 59.

The square root of 5387367749 is about 73398.6903766000. The cubic root of 5387367749 is about 1753.0415404928.

The spelling of 5387367749 in words is "five billion, three hundred eighty-seven million, three hundred sixty-seven thousand, seven hundred forty-nine".

Divisors: 1 19 71 1349 3993601 75878419 283545671 5387367749