Base | Representation |
---|---|
bin | 111100100010010011… |
… | …1001001100010000111 |
3 | 110102112221011222000021 |
4 | 1321010213021202013 |
5 | 4112220013212411 |
6 | 135415442000011 |
7 | 12251344614604 |
oct | 1710447114207 |
9 | 412487158007 |
10 | 130000132231 |
11 | 5015075a512 |
12 | 21240946007 |
13 | c349c1ca88 |
14 | 64135016ab |
15 | 35acd8ca71 |
hex | 1e449c9887 |
130000132231 has 2 divisors, whose sum is σ = 130000132232. Its totient is φ = 130000132230.
The previous prime is 130000132187. The next prime is 130000132261. The reversal of 130000132231 is 132231000031.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 130000132231 - 29 = 130000131719 is a prime.
It is a super-2 number, since 2×1300001322312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130000132261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65000066115 + 65000066116.
It is an arithmetic number, because the mean of its divisors is an integer number (65000066116).
Almost surely, 2130000132231 is an apocalyptic number.
130000132231 is a deficient number, since it is larger than the sum of its proper divisors (1).
130000132231 is an equidigital number, since it uses as much as digits as its factorization.
130000132231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 130000132231 its reverse (132231000031), we get a palindrome (262231132262).
The spelling of 130000132231 in words is "one hundred thirty billion, one hundred thirty-two thousand, two hundred thirty-one".
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