Base | Representation |
---|---|
bin | 10010111010001010… |
… | …101110011111010011 |
3 | 1221101222010121202002 |
4 | 102322022232133103 |
5 | 313040112240334 |
6 | 13154400544215 |
7 | 1316063501630 |
oct | 227212563723 |
9 | 57358117662 |
10 | 20303243219 |
11 | 8679719156 |
12 | 3b2762206b |
13 | 1bb746c9ac |
14 | da86a1187 |
15 | 7dc6bab7e |
hex | 4ba2ae7d3 |
20303243219 has 8 divisors (see below), whose sum is σ = 23204858880. Its totient is φ = 17401915656.
The previous prime is 20303243209. The next prime is 20303243249. The reversal of 20303243219 is 91234230302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20303243219 - 24 = 20303243203 is a prime.
It is a super-2 number, since 2×203032432192 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20303243191 and 20303243200.
It is not an unprimeable number, because it can be changed into a prime (20303243209) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109502 + ... + 229340.
It is an arithmetic number, because the mean of its divisors is an integer number (2900607360).
Almost surely, 220303243219 is an apocalyptic number.
20303243219 is a deficient number, since it is larger than the sum of its proper divisors (2901615661).
20303243219 is a wasteful number, since it uses less digits than its factorization.
20303243219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144049.
The product of its (nonzero) digits is 7776, while the sum is 29.
The spelling of 20303243219 in words is "twenty billion, three hundred three million, two hundred forty-three thousand, two hundred nineteen".
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