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20054311115 = 55697048967
BaseRepresentation
bin10010101011010101…
…001000000011001011
31220202121201120002112
4102223111020003023
5312032400423430
613113545252535
71306651555226
oct225325100313
956677646075
1020054311115
118561154843
123a7819414b
131b77a123a7
14d835c25bd
157c58e8195
hex4ab5480cb

20054311115 has 8 divisors (see below), whose sum is σ = 24107470560. Its totient is φ = 16015250752.

The previous prime is 20054311037. The next prime is 20054311157. The reversal of 20054311115 is 51111345002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20054311115 - 210 = 20054310091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521639 + ... + 3527328.

It is an arithmetic number, because the mean of its divisors is an integer number (3013433820).

Almost surely, 220054311115 is an apocalyptic number.

20054311115 is a deficient number, since it is larger than the sum of its proper divisors (4053159445).

20054311115 is an equidigital number, since it uses as much as digits as its factorization.

20054311115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049541.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 20054311115 its reverse (51111345002), we get a palindrome (71165656117).

The spelling of 20054311115 in words is "twenty billion, fifty-four million, three hundred eleven thousand, one hundred fifteen".

Divisors: 1 5 569 2845 7048967 35244835 4010862223 20054311115