| Base | Representation |
|---|---|
| bin | 1001110101010010101001… |
| … | …11000010111010010100000 |
| 3 | 2211120001220112020022222000 |
| 4 | 10322221110320113102200 |
| 5 | 10313224422043222124 |
| 6 | 113553050450444000 |
| 7 | 4361105326450620 |
| oct | 472512470272240 |
| 9 | 84501815208860 |
| 10 | 21622289429664 |
| 11 | 6986a63766980 |
| 12 | 2512664b93600 |
| 13 | c0ac85cc84c1 |
| 14 | 54a74ad0a880 |
| 15 | 2776a31ba6c9 |
| hex | 13aa54e174a0 |
21622289429664 has 384 divisors, whose sum is σ = 80110039080960. Its totient is φ = 5510212531200.
The previous prime is 21622289429659. The next prime is 21622289429669. The reversal of 21622289429664 is 46692498222612.
21622289429664 is a `hidden beast` number, since 2 + 1 + 6 + 2 + 2 + 289 + 4 + 296 + 64 = 666.
It is an interprime number because it is at equal distance from previous prime (21622289429659) and next prime (21622289429669).
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a nude number because it is divisible by every one of its digits.
It is not an unprimeable number, because it can be changed into a prime (21622289429669) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 459849 + ... + 6592119.
It is an arithmetic number, because the mean of its divisors is an integer number (208619893440).
Almost surely, 221622289429664 is an apocalyptic number.
21622289429664 is a gapful number since it is divisible by the number (24) 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 21622289429664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40055019540480).
21622289429664 is an abundant number, since it is smaller than the sum of its proper divisors (58487749651296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21622289429664 is a wasteful number, since it uses less digits than its factorization.
21622289429664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6132361 (or 6132347 counting only the distinct ones).
The product of its digits is 71663616, while the sum is 63.
The spelling of 21622289429664 in words is "twenty-one trillion, six hundred twenty-two billion, two hundred eighty-nine million, four hundred twenty-nine thousand, six hundred sixty-four".
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