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10023111232021 = 4316571157912149
BaseRepresentation
bin1001000111011010111111…
…1111000000101000010101
31022111012101212002111001201
42101312233333000220111
52303204312433411041
633152315334552501
72053101016516426
oct221665777005025
938435355074051
1010023111232021
113214860a96778
12115a667808731
13579238291744
1426919a6d364d
15125acddc5631
hex91daffc0a15

10023111232021 has 16 divisors (see below), whose sum is σ = 10264127544000. Its totient is φ = 9782457084288.

The previous prime is 10023111231971. The next prime is 10023111232093. The reversal of 10023111232021 is 12023211132001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10023111232021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10023111232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023111232721) 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, 825009255 + ... + 825021403.

It is an arithmetic number, because the mean of its divisors is an integer number (641507971500).

Almost surely, 210023111232021 is an apocalyptic number.

It is an amenable number.

10023111232021 is a deficient number, since it is larger than the sum of its proper divisors (241016311979).

10023111232021 is a wasteful number, since it uses less digits than its factorization.

10023111232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25428.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10023111232021 its reverse (12023211132001), we get a palindrome (22046322364022).

The spelling of 10023111232021 in words is "ten trillion, twenty-three billion, one hundred eleven million, two hundred thirty-two thousand, twenty-one".

Divisors: 1 43 1657 11579 12149 71251 497897 522407 19186403 20130893 140673271 825015329 865628399 6048950653 233095610047 10023111232021