Base | Representation |
---|---|
bin | 1100001110100001100… |
… | …1000100111100000000 |
3 | 202002012020220101100000 |
4 | 3003220121010330000 |
5 | 11420144133140034 |
6 | 240255441200000 |
7 | 21114262513152 |
oct | 3035031047400 |
9 | 662166811300 |
10 | 210057318144 |
11 | 810a2975183 |
12 | 34863930000 |
13 | 16a67b579bb |
14 | a249ac4ad2 |
15 | 56e63a5599 |
hex | 30e8644f00 |
210057318144 has 432 divisors, whose sum is σ = 668221602048. Its totient is φ = 65584152576.
The previous prime is 210057318083. The next prime is 210057318181. The reversal of 210057318144 is 441813750012.
210057318144 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 573 + 1 + 81 + 4 + 4 = 666.
It is a tau number, because it is divible by the number of its divisors (432).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 210057318099 and 210057318108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 324663229 + ... + 324663875.
It is an arithmetic number, because the mean of its divisors is an integer number (1546809264).
Almost surely, 2210057318144 is an apocalyptic number.
210057318144 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 210057318144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334110801024).
210057318144 is an abundant number, since it is smaller than the sum of its proper divisors (458164283904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210057318144 is an equidigital number, since it uses as much as digits as its factorization.
210057318144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1002 (or 976 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 36.
The spelling of 210057318144 in words is "two hundred ten billion, fifty-seven million, three hundred eighteen thousand, one hundred forty-four".
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