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20541530702 = 2711133386563
BaseRepresentation
bin10011001000010111…
…101110001001001110
31222000120111212201102
4103020113232021032
5314032112440302
613234152143102
71325016062420
oct231027561116
958016455642
1020541530702
118791182060
123b93397a92
131c249411c4
14dcc1ac810
15803589702
hex4c85ee24e

20541530702 has 16 divisors (see below), whose sum is σ = 38415330432. Its totient is φ = 8003193720.

The previous prime is 20541530701. The next prime is 20541530707. The reversal of 20541530702 is 20703514502.

It is a happy number.

20541530702 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×205415307022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541530701) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 66693128 + ... + 66693435.

It is an arithmetic number, because the mean of its divisors is an integer number (2400958152).

Almost surely, 220541530702 is an apocalyptic number.

20541530702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20541530702 is a deficient number, since it is larger than the sum of its proper divisors (17873799730).

20541530702 is a wasteful number, since it uses less digits than its factorization.

20541530702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133386583.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 20541530702 in words is "twenty billion, five hundred forty-one million, five hundred thirty thousand, seven hundred two".

Divisors: 1 2 7 11 14 22 77 154 133386563 266773126 933705941 1467252193 1867411882 2934504386 10270765351 20541530702