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20101332023 = 181904312281
BaseRepresentation
bin10010101110001000…
…011111110000110111
31220212220012110122122
4102232020133300313
5312131420111043
613122345150155
71311062334353
oct225610376067
956786173578
1020101332023
1185857502a3
123a8ba8b35b
131b84696806
14d89942463
157c9ad5368
hex4ae21fc37

20101332023 has 8 divisors (see below), whose sum is σ = 20216270256. Its totient is φ = 19986436800.

The previous prime is 20101331993. The next prime is 20101332029. The reversal of 20101332023 is 32023310102.

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 20101332023 - 26 = 20101331959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101331992 and 20101332010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101332029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630643 + ... + 1642923.

It is an arithmetic number, because the mean of its divisors is an integer number (2527033782).

Almost surely, 220101332023 is an apocalyptic number.

20101332023 is a deficient number, since it is larger than the sum of its proper divisors (114938233).

20101332023 is a wasteful number, since it uses less digits than its factorization.

20101332023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21505.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20101332023 its reverse (32023310102), we get a palindrome (52124642125).

The spelling of 20101332023 in words is "twenty billion, one hundred one million, three hundred thirty-two thousand, twenty-three".

Divisors: 1 181 9043 12281 1636783 2222861 111057083 20101332023