Base | Representation |
---|---|
bin | 1001101001000100001011… |
… | …01011000011111010111000 |
3 | 2210001220120212011201221110 |
4 | 10310202011223003322320 |
5 | 10234334102003343112 |
6 | 113032053510440320 |
7 | 4315544211622053 |
oct | 464420553037270 |
9 | 83056525151843 |
10 | 21202201231032 |
11 | 6834891944628 |
12 | 24651663630a0 |
13 | baa4889414c3 |
14 | 534298c63a9a |
15 | 26b7b7e3313c |
hex | 134885ac3eb8 |
21202201231032 has 64 divisors (see below), whose sum is σ = 53099242272000. Its totient is φ = 7054909795584.
The previous prime is 21202201231027. The next prime is 21202201231051. The reversal of 21202201231032 is 23013210220212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42727644 + ... + 43221012.
It is an arithmetic number, because the mean of its divisors is an integer number (829675660500).
Almost surely, 221202201231032 is an apocalyptic number.
It is an amenable number.
21202201231032 is an abundant number, since it is smaller than the sum of its proper divisors (31897041040968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21202201231032 is a wasteful number, since it uses less digits than its factorization.
21202201231032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 496540 (or 496536 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 21202201231032 its reverse (23013210220212), we get a palindrome (44215411451244).
The spelling of 21202201231032 in words is "twenty-one trillion, two hundred two billion, two hundred one million, two hundred thirty-one thousand, thirty-two".
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