Base | Representation |
---|---|
bin | 1100110010110100000… |
… | …1011011111000110110 |
3 | 210000100011000000000000 |
4 | 3030231001123320312 |
5 | 12100121430330230 |
6 | 244550224332130 |
7 | 21610546660302 |
oct | 3145501337066 |
9 | 700304000000 |
10 | 219798683190 |
11 | 85241698999 |
12 | 36722174046 |
13 | 1795b09b328 |
14 | a8d1760d02 |
15 | 5ab66c5b60 |
hex | 332d05be36 |
219798683190 has 208 divisors, whose sum is σ = 604375583760. Its totient is φ = 57537345600.
The previous prime is 219798683149. The next prime is 219798683191. The reversal of 219798683190 is 91386897912.
It is a super-2 number, since 2×2197986831902 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (219798683191) by changing a digit.
It is a polite number, since it can be written in 103 ways as a sum of consecutive naturals, for example, 313549840 + ... + 313550540.
It is an arithmetic number, because the mean of its divisors is an integer number (2905651845).
Almost surely, 2219798683190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 219798683190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302187791880).
219798683190 is an abundant number, since it is smaller than the sum of its proper divisors (384576900570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219798683190 is an frugal number, since it uses more digits than its factorization.
219798683190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 803 (or 770 counting only the distinct ones).
The product of its (nonzero) digits is 11757312, while the sum is 63.
The spelling of 219798683190 in words is "two hundred nineteen billion, seven hundred ninety-eight million, six hundred eighty-three thousand, one hundred ninety".
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