Search a number
-
+
5751630728 = 23718953841
BaseRepresentation
bin1010101101101001…
…01110101110001000
3112211211201010002022
411112310232232020
543234404140403
62350421224012
7262350024464
oct52664565610
915754633068
105751630728
112491711328
121146262008
137087a76bc
143c7c394a4
15239e26d38
hex156d2eb88

5751630728 has 8 divisors (see below), whose sum is σ = 10784307630. Its totient is φ = 2875815360.

The previous prime is 5751630719. The next prime is 5751630751. The reversal of 5751630728 is 8270361575.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5751402244 + 228484 = 75838^2 + 478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 359476913 + ... + 359476928.

Almost surely, 25751630728 is an apocalyptic number.

It is an amenable number.

5751630728 is a deficient number, since it is larger than the sum of its proper divisors (5032676902).

5751630728 is a wasteful number, since it uses less digits than its factorization.

5751630728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718953847 (or 718953843 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 5751630728 is about 75839.5063802501. The cubic root of 5751630728 is about 1791.6932811373.

The spelling of 5751630728 in words is "five billion, seven hundred fifty-one million, six hundred thirty thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 718953841 1437907682 2875815364 5751630728