Base | Representation |
---|---|
bin | 10001111000100011… |
… | …000101001001001100 |
3 | 1211120020120111101022 |
4 | 101320203011021030 |
5 | 303311244044322 |
6 | 12453232333312 |
7 | 1246565056631 |
oct | 217043051114 |
9 | 54506514338 |
10 | 19202331212 |
11 | 8164240719 |
12 | 387a9a4238 |
13 | 1a7035cb7c |
14 | d023a6188 |
15 | 775c04942 |
hex | 4788c524c |
19202331212 has 6 divisors (see below), whose sum is σ = 33604079628. Its totient is φ = 9601165604.
The previous prime is 19202331193. The next prime is 19202331217. The reversal of 19202331212 is 21213320291.
It is not an unprimeable number, because it can be changed into a prime (19202331217) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2400291398 + ... + 2400291405.
It is an arithmetic number, because the mean of its divisors is an integer number (5600679938).
Almost surely, 219202331212 is an apocalyptic number.
It is an amenable number.
19202331212 is a deficient number, since it is larger than the sum of its proper divisors (14401748416).
19202331212 is a wasteful number, since it uses less digits than its factorization.
19202331212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4800582807 (or 4800582805 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 26.
The spelling of 19202331212 in words is "nineteen billion, two hundred two million, three hundred thirty-one thousand, two hundred twelve".
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