Base | Representation |
---|---|
bin | 10001111010011101011… |
… | …100110101111000100110 |
3 | 11100200102122212120212200 |
4 | 101322131130311320212 |
5 | 130132043032332220 |
6 | 2341303053555330 |
7 | 154636245212106 |
oct | 21723534657046 |
9 | 4320378776780 |
10 | 1231002230310 |
11 | 435079737636 |
12 | 17a6b01a5b46 |
13 | 8c1104bb198 |
14 | 4381bb01206 |
15 | 2204b7d6890 |
hex | 11e9d735e26 |
1231002230310 has 24 divisors (see below), whose sum is σ = 3200605799040. Its totient is φ = 328267261392.
The previous prime is 1231002230303. The next prime is 1231002230357. The reversal of 1231002230310 is 130322001321.
1231002230310 is a `hidden beast` number, since 1 + 23 + 100 + 2 + 230 + 310 = 666.
It is a super-2 number, since 2×12310022303102 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 6838901190 + ... + 6838901369.
It is an arithmetic number, because the mean of its divisors is an integer number (133358574960).
Almost surely, 21231002230310 is an apocalyptic number.
1231002230310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1231002230310 is an abundant number, since it is smaller than the sum of its proper divisors (1969603568730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1231002230310 is a wasteful number, since it uses less digits than its factorization.
1231002230310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13677802572 (or 13677802569 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 1231002230310 its reverse (130322001321), we get a palindrome (1361324231631).
The spelling of 1231002230310 in words is "one trillion, two hundred thirty-one billion, two million, two hundred thirty thousand, three hundred ten".
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