Base | Representation |
---|---|
bin | 11101000111110110110… |
… | …110010101011001111110 |
3 | 21002022201010100020122100 |
4 | 131013312312111121332 |
5 | 230242131103344410 |
6 | 4131215102525530 |
7 | 264406052534100 |
oct | 35076666253176 |
9 | 7068633306570 |
10 | 2001301231230 |
11 | 70182440a0a4 |
12 | 283a478968a6 |
13 | 116950010892 |
14 | 6cc13611570 |
15 | 370d23628c0 |
hex | 1d1f6d9567e |
2001301231230 has 288 divisors, whose sum is σ = 6319010880000. Its totient is φ = 437348951424.
The previous prime is 2001301231219. The next prime is 2001301231283. The reversal of 2001301231230 is 321321031002.
2001301231230 is a `hidden beast` number, since 20 + 0 + 1 + 301 + 2 + 312 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 354900751 + ... + 354906389.
It is an arithmetic number, because the mean of its divisors is an integer number (21941010000).
Almost surely, 22001301231230 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2001301231230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3159505440000).
2001301231230 is an abundant number, since it is smaller than the sum of its proper divisors (4317709648770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001301231230 is a wasteful number, since it uses less digits than its factorization.
2001301231230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9188 (or 9178 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 2001301231230 its reverse (321321031002), we get a palindrome (2322622262232).
The spelling of 2001301231230 in words is "two trillion, one billion, three hundred one million, two hundred thirty-one thousand, two hundred thirty".
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