| Base | Representation |
|---|---|
| bin | 10010010101101101011… |
| … | …00100010110000010100 |
| 3 | 2020020110212102200121110 |
| 4 | 21022312230202300110 |
| 5 | 40311001332331340 |
| 6 | 1201251120215020 |
| 7 | 63345134434152 |
| oct | 11126654426024 |
| 9 | 2206425380543 |
| 10 | 630130355220 |
| 11 | 223267181413 |
| 12 | a215946a470 |
| 13 | 47562033972 |
| 14 | 226d9b423d2 |
| 15 | 115d0145680 |
| hex | 92b6b22c14 |
630130355220 has 96 divisors (see below), whose sum is σ = 1775812421376. Its totient is φ = 166945536000.
The previous prime is 630130355219. The next prime is 630130355221. The reversal of 630130355220 is 22553031036.
It is an interprime number because it is at equal distance from previous prime (630130355219) and next prime (630130355221).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (630130355221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21638670 + ... + 21667770.
It is an arithmetic number, because the mean of its divisors is an integer number (18498046056).
Almost surely, 2630130355220 is an apocalyptic number.
630130355220 is a gapful number since it is divisible by the number (60) 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 630130355220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (887906210688).
630130355220 is an abundant number, since it is smaller than the sum of its proper divisors (1145682066156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
630130355220 is a wasteful number, since it uses less digits than its factorization.
630130355220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31441 (or 31439 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 30.
Adding to 630130355220 its reverse (22553031036), we get a palindrome (652683386256).
The spelling of 630130355220 in words is "six hundred thirty billion, one hundred thirty million, three hundred fifty-five thousand, two hundred twenty".
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