| Base | Representation |
|---|---|
| bin | 1001100110110001110101… |
| … | …01011011101001101110000 |
| 3 | 2202210101210100101011211100 |
| 4 | 10303120322223131031300 |
| 5 | 10232042200202211422 |
| 6 | 112532021402244400 |
| 7 | 4310063222221644 |
| oct | 463307253351560 |
| 9 | 82711710334740 |
| 10 | 21123633632112 |
| 11 | 68045345476a0 |
| 12 | 2451a9a1b6700 |
| 13 | ba2c474c0cbb |
| 14 | 530564432c24 |
| 15 | 26971a5a97ac |
| hex | 13363aadd370 |
21123633632112 has 240 divisors, whose sum is σ = 66903969880800. Its totient is φ = 6162860605440.
The previous prime is 21123633632077. The next prime is 21123633632117.
21123633632112 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 3 + 6 + 3 + 3 + 632 + 1 + 12 = 666.
21123633632112 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21123633632117) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15564064 + ... + 16866752.
It is an arithmetic number, because the mean of its divisors is an integer number (278766541170).
Almost surely, 221123633632112 is an apocalyptic number.
21123633632112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 21123633632112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33451984940400).
21123633632112 is an abundant number, since it is smaller than the sum of its proper divisors (45780336248688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21123633632112 is a wasteful number, since it uses less digits than its factorization.
21123633632112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1303096 (or 1303087 counting only the distinct ones).
The product of its digits is 46656, while the sum is 36.
It can be divided in two parts, 2112363 and 3632112, that added together give a palindrome (5744475).
The spelling of 21123633632112 in words is "twenty-one trillion, one hundred twenty-three billion, six hundred thirty-three million, six hundred thirty-two thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •