Search a number
-
+
5215317647 = 17378291443
BaseRepresentation
bin1001101101101101…
…10110111010001111
3111110110112120211212
410312312312322033
541140110131042
62221302205035
7243145316501
oct46666667217
914413476755
105215317647
112236a02381
12101672377b
13651649c97
1437690dd71
15207cd9482
hex136db6e8f

5215317647 has 8 divisors (see below), whose sum is σ = 5671347696. Its totient is φ = 4775870592.

The previous prime is 5215317637. The next prime is 5215317683. The reversal of 5215317647 is 7467135125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5215317647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215317637) 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, 4145093 + ... + 4146350.

It is an arithmetic number, because the mean of its divisors is an integer number (708918462).

Almost surely, 25215317647 is an apocalyptic number.

5215317647 is a deficient number, since it is larger than the sum of its proper divisors (456030049).

5215317647 is a wasteful number, since it uses less digits than its factorization.

5215317647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291497.

The product of its digits is 176400, while the sum is 41.

The square root of 5215317647 is about 72217.1561818935. The cubic root of 5215317647 is about 1734.1776642108.

The spelling of 5215317647 in words is "five billion, two hundred fifteen million, three hundred seventeen thousand, six hundred forty-seven".

Divisors: 1 17 37 629 8291443 140954531 306783391 5215317647