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20102312010111 = 3233721137317517
BaseRepresentation
bin1001001001000011011110…
…01010101010000101111111
32122011202120200120010112120
410210201233022222011333
510113324013333310421
6110430512531334023
74143226013532432
oct444415712520577
978152520503476
1020102312010111
1164503850775a1
122307b67751313
13b2a841ab20a6
144d6d58395819
1524cd920658c6
hex12486f2aa17f

20102312010111 has 32 divisors (see below), whose sum is σ = 28860472800768. Its totient is φ = 12413298522240.

The previous prime is 20102312010101. The next prime is 20102312010113. The reversal of 20102312010111 is 11101021320102.

It is not a de Polignac number, because 20102312010111 - 26 = 20102312010047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102312010113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18120076 + ... + 19197441.

It is an arithmetic number, because the mean of its divisors is an integer number (901889775024).

Almost surely, 220102312010111 is an apocalyptic number.

20102312010111 is a deficient number, since it is larger than the sum of its proper divisors (8758160790657).

20102312010111 is a wasteful number, since it uses less digits than its factorization.

20102312010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37317791.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20102312010111 its reverse (11101021320102), we get a palindrome (31203333330213).

It can be divided in two parts, 20102 and 312010111, that added together give a palindrome (312030213).

The spelling of 20102312010111 in words is "twenty trillion, one hundred two billion, three hundred twelve million, ten thousand, one hundred eleven".

Divisors: 1 3 23 37 69 111 211 633 851 2553 4853 7807 14559 23421 179561 538683 37317517 111952551 858302891 1380748129 2574908673 4142244387 7873996087 23621988261 31757206967 95271620901 181101910001 291337855219 543305730003 874013565657 6700770670037 20102312010111