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20443102130 = 2511283656701
BaseRepresentation
bin10011000010100000…
…001111101110110010
31221202201022012002202
4103002200033232302
5313331413232010
613220314343202
71322412333563
oct230240175662
957681265082
1020443102130
118740664230
123b6642ab02
131c0a42aa49
14dbd0aa16a
157e9ae56a5
hex4c280fbb2

20443102130 has 32 divisors (see below), whose sum is σ = 40284727488. Its totient is φ = 7407576000.

The previous prime is 20443102111. The next prime is 20443102139. The reversal of 20443102130 is 3120134402.

It is a super-2 number, since 2×204431021302 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20443102139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297221 + ... + 359480.

It is an arithmetic number, because the mean of its divisors is an integer number (1258897734).

Almost surely, 220443102130 is an apocalyptic number.

20443102130 is a deficient number, since it is larger than the sum of its proper divisors (19841625358).

20443102130 is a wasteful number, since it uses less digits than its factorization.

20443102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657002.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20443102130 its reverse (3120134402), we get a palindrome (23563236532).

The spelling of 20443102130 in words is "twenty billion, four hundred forty-three million, one hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 283 566 1415 2830 3113 6226 15565 31130 656701 1313402 3283505 6567010 7223711 14447422 36118555 72237110 185846383 371692766 929231915 1858463830 2044310213 4088620426 10221551065 20443102130