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20133320131 = 109715925801
BaseRepresentation
bin10010110000000010…
…100001010111000011
31220222010101122002101
4102300002201113003
5312213112221011
613125450531231
71311631253221
oct226002412703
956863348071
1020133320131
1185a1809451
123a9a736b17
131b8b1b66a2
14d8dcabb11
157cc8032c1
hex4b00a15c3

20133320131 has 8 divisors (see below), whose sum is σ = 20321655200. Its totient is φ = 19945051200.

The previous prime is 20133320071. The next prime is 20133320143. The reversal of 20133320131 is 13102333102.

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 20133320131 - 27 = 20133320003 is a prime.

It is a super-2 number, since 2×201333201312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20133320099 and 20133320108.

It is not an unprimeable number, because it can be changed into a prime (20133326131) by changing a digit.

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, 767431 + ... + 793231.

It is an arithmetic number, because the mean of its divisors is an integer number (2540206900).

Almost surely, 220133320131 is an apocalyptic number.

20133320131 is a deficient number, since it is larger than the sum of its proper divisors (188335069).

20133320131 is a wasteful number, since it uses less digits than its factorization.

20133320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33069.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20133320131 its reverse (13102333102), we get a palindrome (33235653233).

The spelling of 20133320131 in words is "twenty billion, one hundred thirty-three million, three hundred twenty thousand, one hundred thirty-one".

Divisors: 1 109 7159 25801 780331 2812309 184709359 20133320131