| Base | Representation |
|---|---|
| bin | 101111110000001101010011… |
| … | …001110110110111011001100 |
| 3 | 1000112121210220202020011201012 |
| 4 | 233300031103032312323030 |
| 5 | 210011441003031223040 |
| 6 | 2022402152204504352 |
| 7 | 62144342135556050 |
| oct | 5760152316667314 |
| 9 | 1015553822204635 |
| 10 | 210021002211020 |
| 11 | 60a1245256a360 |
| 12 | 1b67b58884b0b8 |
| 13 | 9025b846246b0 |
| 14 | 39c10dc19dc60 |
| 15 | 19431dcc19865 |
| hex | bf03533b6ecc |
210021002211020 has 192 divisors, whose sum is σ = 593307739809792. Its totient is φ = 60309639936000.
The previous prime is 210021002211017. The next prime is 210021002211023. The reversal of 210021002211020 is 20112200120012.
It is an interprime number because it is at equal distance from previous prime (210021002211017) and next prime (210021002211023).
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 210021002210986 and 210021002211004.
It is not an unprimeable number, because it can be changed into a prime (210021002211023) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362705 + ... + 20498135.
It is an arithmetic number, because the mean of its divisors is an integer number (3090144478176).
Almost surely, 2210021002211020 is an apocalyptic number.
210021002211020 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 210021002211020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296653869904896).
210021002211020 is an abundant number, since it is smaller than the sum of its proper divisors (383286737598772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210021002211020 is a wasteful number, since it uses less digits than its factorization.
210021002211020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20135992 (or 20135990 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 210021002211020 its reverse (20112200120012), we get a palindrome (230133202331032).
The spelling of 210021002211020 in words is "two hundred ten trillion, twenty-one billion, two million, two hundred eleven thousand, twenty".
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