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20120023112011 = 115173009239429
BaseRepresentation
bin1001001001100100011101…
…10101001001100101001011
32122020110022000010022212121
410210302032311021211023
510114121301404041021
6110443002213552111
74144423633444144
oct444621665114513
978213260108777
1020120023112011
116457943578599
12230b48b045637
13b2c405200b44
144d7b5869cacb
1524d57bda4741
hex124c8ed4994b

20120023112011 has 8 divisors (see below), whose sum is σ = 20137863513600. Its totient is φ = 20102183337600.

The previous prime is 20120023111973. The next prime is 20120023112023. The reversal of 20120023112011 is 11021132002102.

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 20120023112011 - 27 = 20120023111883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120023112711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83913645 + ... + 84153073.

It is an arithmetic number, because the mean of its divisors is an integer number (2517232939200).

Almost surely, 220120023112011 is an apocalyptic number.

20120023112011 is a deficient number, since it is larger than the sum of its proper divisors (17840401589).

20120023112011 is a wasteful number, since it uses less digits than its factorization.

20120023112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313589.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20120023112011 its reverse (11021132002102), we get a palindrome (31141155114113).

The spelling of 20120023112011 in words is "twenty trillion, one hundred twenty billion, twenty-three million, one hundred twelve thousand, eleven".

Divisors: 1 1151 73009 239429 84033359 275582779 17480471861 20120023112011