Base | Representation |
---|---|
bin | 110111111111001000… |
… | …1111011010001110101 |
3 | 102111100001101110110111 |
4 | 1233332101323101311 |
5 | 3432212414312414 |
6 | 131122155023021 |
7 | 11454263041204 |
oct | 1577621732165 |
9 | 374301343414 |
10 | 120230229109 |
11 | 46a97914711 |
12 | 1b374a3aa71 |
13 | b450ac6a03 |
14 | 5b67b5723b |
15 | 31da2d18c4 |
hex | 1bfe47b475 |
120230229109 has 2 divisors, whose sum is σ = 120230229110. Its totient is φ = 120230229108.
The previous prime is 120230229023. The next prime is 120230229113. The reversal of 120230229109 is 901922032021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 80984638084 + 39245591025 = 284578^2 + 198105^2 .
It is an emirp because it is prime and its reverse (901922032021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 120230229109 - 215 = 120230196341 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120230229149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60115114554 + 60115114555.
It is an arithmetic number, because the mean of its divisors is an integer number (60115114555).
Almost surely, 2120230229109 is an apocalyptic number.
It is an amenable number.
120230229109 is a deficient number, since it is larger than the sum of its proper divisors (1).
120230229109 is an equidigital number, since it uses as much as digits as its factorization.
120230229109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 31.
The spelling of 120230229109 in words is "one hundred twenty billion, two hundred thirty million, two hundred twenty-nine thousand, one hundred nine".
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