| Base | Representation |
|---|---|
| bin | 1100110111010010110… |
| … | …1000110110000010110 |
| 3 | 210010102221221221101000 |
| 4 | 3031310231012300112 |
| 5 | 12110102314011202 |
| 6 | 245305425044130 |
| 7 | 21652422111450 |
| oct | 3156455066026 |
| 9 | 703387857330 |
| 10 | 221001313302 |
| 11 | 857a9530780 |
| 12 | 369b8a86646 |
| 13 | 17ac02a3993 |
| 14 | a9a73772d0 |
| 15 | 5b3708091c |
| hex | 3374b46c16 |
221001313302 has 128 divisors (see below), whose sum is σ = 614480256000. Its totient is φ = 57198355200.
The previous prime is 221001313283. The next prime is 221001313321. The reversal of 221001313302 is 203313100122.
221001313302 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (221001313283) and next prime (221001313321).
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 (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1073824 + ... + 1262972.
It is an arithmetic number, because the mean of its divisors is an integer number (4800627000).
Almost surely, 2221001313302 is an apocalyptic number.
221001313302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 221001313302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307240128000).
221001313302 is an abundant number, since it is smaller than the sum of its proper divisors (393478942698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221001313302 is a wasteful number, since it uses less digits than its factorization.
221001313302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189459 (or 189453 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 221001313302 its reverse (203313100122), we get a palindrome (424314413424).
The spelling of 221001313302 in words is "two hundred twenty-one billion, one million, three hundred thirteen thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •