Base | Representation |
---|---|
bin | 1001110000000101101010… |
… | …00100010000110010111100 |
3 | 2210220222110101201201102202 |
4 | 10320002311010100302330 |
5 | 10302312304210110400 |
6 | 113335003052211032 |
7 | 4342146165100520 |
oct | 470026504206274 |
9 | 83828411651382 |
10 | 21443514535100 |
11 | 6918163a18629 |
12 | 24a3a91769a78 |
13 | bc7165128618 |
14 | 541c2bad7d80 |
15 | 272bdd30b4d5 |
hex | 1380b5110cbc |
21443514535100 has 144 divisors (see below), whose sum is σ = 54616739304960. Its totient is φ = 7155890592000.
The previous prime is 21443514535081. The next prime is 21443514535103. The reversal of 21443514535100 is 153541534412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21443514535103) 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, 1600937 + ... + 6741663.
It is an arithmetic number, because the mean of its divisors is an integer number (379282911840).
Almost surely, 221443514535100 is an apocalyptic number.
21443514535100 is a gapful number since it is divisible by the number (20) 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 21443514535100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27308369652480).
21443514535100 is an abundant number, since it is smaller than the sum of its proper divisors (33173224769860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21443514535100 is a wasteful number, since it uses less digits than its factorization.
21443514535100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5140908 (or 5140901 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 38.
The spelling of 21443514535100 in words is "twenty-one trillion, four hundred forty-three billion, five hundred fourteen million, five hundred thirty-five thousand, one hundred".
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