Base | Representation |
---|---|
bin | 1100110010001100000… |
… | …1010111010010110000 |
3 | 202222220110021100001012 |
4 | 3030203001113102300 |
5 | 12044301002022313 |
6 | 244521432130052 |
7 | 21603441531620 |
oct | 3144301272260 |
9 | 688813240035 |
10 | 219630892208 |
11 | 85165a05062 |
12 | 36695b36928 |
13 | 179323b0620 |
14 | a8b7364880 |
15 | 5aa6aceda8 |
hex | 33230574b0 |
219630892208 has 160 divisors (see below), whose sum is σ = 535325736960. Its totient is φ = 84983592960.
The previous prime is 219630892051. The next prime is 219630892211. The reversal of 219630892208 is 802298036912.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13120388 + ... + 13137116.
It is an arithmetic number, because the mean of its divisors is an integer number (3345785856).
Almost surely, 2219630892208 is an apocalyptic number.
219630892208 is a gapful number since it is divisible by the number (28) 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 219630892208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267662868480).
219630892208 is an abundant number, since it is smaller than the sum of its proper divisors (315694844752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219630892208 is a wasteful number, since it uses less digits than its factorization.
219630892208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16955 (or 16949 counting only the distinct ones).
The product of its (nonzero) digits is 746496, while the sum is 50.
The spelling of 219630892208 in words is "two hundred nineteen billion, six hundred thirty million, eight hundred ninety-two thousand, two hundred eight".
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