Base | Representation |
---|---|
bin | 1000101100010000111… |
… | …1001000011101010111 |
3 | 112021102110011100112002 |
4 | 2023010033020131113 |
5 | 4421302211023312 |
6 | 152332555145515 |
7 | 13534214111021 |
oct | 2130417103527 |
9 | 467373140462 |
10 | 149321189207 |
11 | 58365a115a3 |
12 | 24b3344529b |
13 | 11108a4b878 |
14 | 7327571011 |
15 | 3d3e1e54c2 |
hex | 22c43c8757 |
149321189207 has 2 divisors, whose sum is σ = 149321189208. Its totient is φ = 149321189206.
The previous prime is 149321189201. The next prime is 149321189249. The reversal of 149321189207 is 702981123941.
It is a weak prime.
It is an emirp because it is prime and its reverse (702981123941) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 149321189207 - 210 = 149321188183 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (149321189201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74660594603 + 74660594604.
It is an arithmetic number, because the mean of its divisors is an integer number (74660594604).
Almost surely, 2149321189207 is an apocalyptic number.
149321189207 is a deficient number, since it is larger than the sum of its proper divisors (1).
149321189207 is an equidigital number, since it uses as much as digits as its factorization.
149321189207 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 217728, while the sum is 47.
The spelling of 149321189207 in words is "one hundred forty-nine billion, three hundred twenty-one million, one hundred eighty-nine thousand, two hundred seven".
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