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20304101542 = 231355758231
BaseRepresentation
bin10010111010001110…
…000000000010100110
31221102000202020010211
4102322032000002212
5313040322222132
613154431210034
71316104005214
oct227216000246
957360666124
1020304101542
11867a15500a
123b2797691a
131bb76b058a
14da8845cb4
157dc7da147
hex4ba3800a6

20304101542 has 16 divisors (see below), whose sum is σ = 30608835552. Its totient is φ = 10101274560.

The previous prime is 20304101533. The next prime is 20304101561. The reversal of 20304101542 is 24510140302.

It is a congruent number.

It is an unprimeable number.

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, 319567 + ... + 377797.

It is an arithmetic number, because the mean of its divisors is an integer number (1913052222).

Almost surely, 220304101542 is an apocalyptic number.

20304101542 is a deficient number, since it is larger than the sum of its proper divisors (10304734010).

20304101542 is a wasteful number, since it uses less digits than its factorization.

20304101542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59103.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20304101542 its reverse (24510140302), we get a palindrome (44814241844).

The spelling of 20304101542 in words is "twenty billion, three hundred four million, one hundred one thousand, five hundred forty-two".

Divisors: 1 2 313 557 626 1114 58231 116462 174341 348682 18226303 32434667 36452606 64869334 10152050771 20304101542