Base | Representation |
---|---|
bin | 1001001001010010001011… |
… | …11111000000000101111110 |
3 | 2122012111222011221120111000 |
4 | 10210221011333000011332 |
5 | 10113441203010220410 |
6 | 110434300422511130 |
7 | 4143625530200256 |
oct | 444510577000576 |
9 | 78174864846430 |
10 | 20110211023230 |
11 | 645376893a009 |
12 | 23095b0b954a6 |
13 | b2b500427453 |
14 | 4d74a7492966 |
15 | 24d1a5763dc0 |
hex | 124a45fc017e |
20110211023230 has 128 divisors (see below), whose sum is σ = 56512897827840. Its totient is φ = 5078773180800.
The previous prime is 20110211023093. The next prime is 20110211023247. The reversal of 20110211023230 is 3232011201102.
20110211023230 is a `hidden beast` number, since 20 + 110 + 211 + 0 + 2 + 323 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15404272 + ... + 16658691.
It is an arithmetic number, because the mean of its divisors is an integer number (441507014280).
Almost surely, 220110211023230 is an apocalyptic number.
20110211023230 is an abundant number, since it is smaller than the sum of its proper divisors (36402686804610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20110211023230 is a wasteful number, since it uses less digits than its factorization.
20110211023230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32063103 (or 32063097 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 20110211023230 its reverse (3232011201102), we get a palindrome (23342222224332).
The spelling of 20110211023230 in words is "twenty trillion, one hundred ten billion, two hundred eleven million, twenty-three thousand, two hundred thirty".
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