Base | Representation |
---|---|
bin | 110100100101111000001000… |
… | …011011101011011100001010 |
3 | 1010022222012010000002222011000 |
4 | 310211320020123223130022 |
5 | 220304120040404413310 |
6 | 2135534204403115430 |
7 | 66501653043333642 |
oct | 6445701033533412 |
9 | 1108865100088130 |
10 | 231301310232330 |
11 | 67777375682528 |
12 | 21b378b0972b76 |
13 | 9c0a80a0a3a60 |
14 | 4119086581522 |
15 | 1bb1a27d004c0 |
hex | d25e086eb70a |
231301310232330 has 256 divisors, whose sum is σ = 667029210301440. Its totient is φ = 56697978986496.
The previous prime is 231301310232287. The next prime is 231301310232353. The reversal of 231301310232330 is 33232013103132.
231301310232330 is a `hidden beast` number, since 2 + 3 + 1 + 301 + 3 + 1 + 0 + 2 + 323 + 30 = 666.
It is a super-2 number, since 2×2313013102323302 (a number of 30 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 231301310232294 and 231301310232303.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 806703874 + ... + 806990546.
It is an arithmetic number, because the mean of its divisors is an integer number (2605582852740).
Almost surely, 2231301310232330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231301310232330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333514605150720).
231301310232330 is an abundant number, since it is smaller than the sum of its proper divisors (435727900069110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231301310232330 is a wasteful number, since it uses less digits than its factorization.
231301310232330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287662 (or 287656 counting only the distinct ones).
The product of its (nonzero) digits is 5832, while the sum is 27.
Adding to 231301310232330 its reverse (33232013103132), we get a palindrome (264533323335462).
The spelling of 231301310232330 in words is "two hundred thirty-one trillion, three hundred one billion, three hundred ten million, two hundred thirty-two thousand, three hundred thirty".
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