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1112023100231 = 17157801152009
BaseRepresentation
bin10000001011101001101…
…111011110101101000111
310221022022210122112122022
4100023221233132231013
5121204410403201411
62210504550153355
7143224653251621
oct20135157365507
93838283575568
101112023100231
1139967406016a
1215b62635285b
1380b2b96a374
143bb721b9c11
151ddd6285edb
hex102e9bdeb47

1112023100231 has 16 divisors (see below), whose sum is σ = 1185106517280. Its totient is φ = 1039793863680.

The previous prime is 1112023100213. The next prime is 1112023100269. The reversal of 1112023100231 is 1320013202111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1112023100231 is a prime.

It is a super-2 number, since 2×11120231002312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112023100831) 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 15 ways as a sum of consecutive naturals, for example, 21355355 + ... + 21407363.

It is an arithmetic number, because the mean of its divisors is an integer number (74069157330).

Almost surely, 21112023100231 is an apocalyptic number.

1112023100231 is a deficient number, since it is larger than the sum of its proper divisors (73083417049).

1112023100231 is a wasteful number, since it uses less digits than its factorization.

1112023100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60194.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1112023100231 its reverse (1320013202111), we get a palindrome (2432036302342).

The spelling of 1112023100231 in words is "one trillion, one hundred twelve billion, twenty-three million, one hundred thousand, two hundred thirty-one".

Divisors: 1 17 157 2669 8011 52009 136187 884153 1257727 8165413 21381359 138812021 416644099 7082949683 65413123543 1112023100231