| Base | Representation |
|---|---|
| bin | 1001100110111110010001… |
| … | …10000001011101011111000 |
| 3 | 2202211001000210021201202200 |
| 4 | 10303133020300023223320 |
| 5 | 10232144334410444000 |
| 6 | 112535044215230200 |
| 7 | 4310420556151050 |
| oct | 463371060135370 |
| 9 | 82731023251680 |
| 10 | 21130312203000 |
| 11 | 6807351410870 |
| 12 | 2453242978360 |
| 13 | ba37700353b0 |
| 14 | 5309d93dc560 |
| 15 | 2699aba80500 |
| hex | 1337c8c0baf8 |
21130312203000 has 1536 divisors, whose sum is σ = 98486460334080. Its totient is φ = 3943365120000.
The previous prime is 21130312202957. The next prime is 21130312203017. The reversal of 21130312203000 is 30221303112.
21130312203000 is a `hidden beast` number, since 2 + 1 + 1 + 30 + 312 + 20 + 300 + 0 = 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 pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 333301305 + ... + 333364695.
It is an arithmetic number, because the mean of its divisors is an integer number (64118789280).
Almost surely, 221130312203000 is an apocalyptic number.
21130312203000 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 21130312203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49243230167040).
21130312203000 is an abundant number, since it is smaller than the sum of its proper divisors (77356148131080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21130312203000 is a wasteful number, since it uses less digits than its factorization.
21130312203000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63486 (or 63469 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 21130312203000 its reverse (30221303112), we get a palindrome (21160533506112).
It can be divided in two parts, 21130312 and 203000, that added together give a palindrome (21333312).
The spelling of 21130312203000 in words is "twenty-one trillion, one hundred thirty billion, three hundred twelve million, two hundred three thousand".
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