Base | Representation |
---|---|
bin | 11110100011111111000… |
… | …100010010011110000000 |
3 | 21102210001011202210100000 |
4 | 132203333010102132000 |
5 | 233402224134323002 |
6 | 4244455043200000 |
7 | 304510330651425 |
oct | 36437704223600 |
9 | 7383034683300 |
10 | 2100223354752 |
11 | 73a777370696 |
12 | 29b054676000 |
13 | 123086417493 |
14 | 73919451d4c |
15 | 39971b3661c |
hex | 1e8ff112780 |
2100223354752 has 192 divisors, whose sum is σ = 6420317445360. Its totient is φ = 682999050240.
The previous prime is 2100223354699. The next prime is 2100223354753. The reversal of 2100223354752 is 2574533220012.
2100223354752 is a `hidden beast` number, since 2 + 10 + 0 + 22 + 33 + 547 + 52 = 666.
It is a tau number, because it is divible by the number of its divisors (192).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100223354753) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451818 + ... + 2098710.
Almost surely, 22100223354752 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2100223354752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3210158722680).
2100223354752 is an abundant number, since it is smaller than the sum of its proper divisors (4320094090608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100223354752 is an equidigital number, since it uses as much as digits as its factorization.
2100223354752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1646963 (or 1646939 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 36.
Adding to 2100223354752 its reverse (2574533220012), we get a palindrome (4674756574764).
The spelling of 2100223354752 in words is "two trillion, one hundred billion, two hundred twenty-three million, three hundred fifty-four thousand, seven hundred fifty-two".
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