Base | Representation |
---|---|
bin | 1000010011110001… |
… | …0011001111110111 |
3 | 12202102220001121002 |
4 | 2010330103033313 |
5 | 14031440244431 |
6 | 1005153113515 |
7 | 106162041611 |
oct | 20474231767 |
9 | 5672801532 |
10 | 2230399991 |
11 | a45003586 |
12 | 522b5889b |
13 | 297116711 |
14 | 172311db1 |
15 | d0c243cb |
hex | 84f133f7 |
2230399991 has 2 divisors, whose sum is σ = 2230399992. Its totient is φ = 2230399990.
The previous prime is 2230399973. The next prime is 2230400047. The reversal of 2230399991 is 1999930322.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2230399991 - 226 = 2163291127 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2230399931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115199995 + 1115199996.
It is an arithmetic number, because the mean of its divisors is an integer number (1115199996).
Almost surely, 22230399991 is an apocalyptic number.
2230399991 is a deficient number, since it is larger than the sum of its proper divisors (1).
2230399991 is an equidigital number, since it uses as much as digits as its factorization.
2230399991 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 236196, while the sum is 47.
The square root of 2230399991 is about 47227.1107627812. The cubic root of 2230399991 is about 1306.5546649352.
The spelling of 2230399991 in words is "two billion, two hundred thirty million, three hundred ninety-nine thousand, nine hundred ninety-one".
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