Search a number
-
+
5721107782 = 2131723127709
BaseRepresentation
bin1010101010000000…
…10010110101000110
3112202201021101110211
411111000102311012
543204100422112
62343411110034
7261526420345
oct52500226506
915681241424
105721107782
112476463a55
121137ba231a
1370237b6a0
143c3b71b5c
152373e80a7
hex155012d46

5721107782 has 16 divisors (see below), whose sum is σ = 9247225680. Its totient is φ = 2638958112.

The previous prime is 5721107771. The next prime is 5721107783. The reversal of 5721107782 is 2877011275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721107783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19057 + ... + 108652.

It is an arithmetic number, because the mean of its divisors is an integer number (577951605).

Almost surely, 25721107782 is an apocalyptic number.

5721107782 is a deficient number, since it is larger than the sum of its proper divisors (3526117898).

5721107782 is a wasteful number, since it uses less digits than its factorization.

5721107782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129447.

The product of its (nonzero) digits is 54880, while the sum is 40.

The square root of 5721107782 is about 75638.0048785001. The cubic root of 5721107782 is about 1788.5182521359.

The spelling of 5721107782 in words is "five billion, seven hundred twenty-one million, one hundred seven thousand, seven hundred eighty-two".

Divisors: 1 2 13 26 1723 3446 22399 44798 127709 255418 1660217 3320434 220042607 440085214 2860553891 5721107782