Base | Representation |
---|---|
bin | 11100001001001110… |
… | …111000011111011110 |
3 | 2220000001122011102120 |
4 | 130021032320133132 |
5 | 443342213324142 |
6 | 21514400203410 |
7 | 2116604635440 |
oct | 341116703736 |
9 | 86001564376 |
10 | 30219667422 |
11 | 118a823a45a |
12 | 5a34609566 |
13 | 2b07a47319 |
14 | 16696aa490 |
15 | bbd06a7ec |
hex | 7093b87de |
30219667422 has 16 divisors (see below), whose sum is σ = 69073525632. Its totient is φ = 8634190680.
The previous prime is 30219667421. The next prime is 30219667433. The reversal of 30219667422 is 22476691203.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 719515891 = 30219667422 / (3 + 0 + 2 + 1 + 9 + 6 + 6 + 7 + 4 + 2 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30219667421) 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, 359757904 + ... + 359757987.
It is an arithmetic number, because the mean of its divisors is an integer number (4317095352).
Almost surely, 230219667422 is an apocalyptic number.
30219667422 is an abundant number, since it is smaller than the sum of its proper divisors (38853858210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30219667422 is a wasteful number, since it uses less digits than its factorization.
30219667422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 719515903.
The product of its (nonzero) digits is 217728, while the sum is 42.
The spelling of 30219667422 in words is "thirty billion, two hundred nineteen million, six hundred sixty-seven thousand, four hundred twenty-two".
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