Base | Representation |
---|---|
bin | 110100100111011010111101… |
… | …111111010000011111111001 |
3 | 1010100100100001001102121220210 |
4 | 310213122331333100133321 |
5 | 220312334411433402421 |
6 | 2140055035214541333 |
7 | 66512430654653652 |
oct | 6447327577203771 |
9 | 1110310031377823 |
10 | 231407435450361 |
11 | 67808384594595 |
12 | 21b54389b07849 |
13 | 9c178208b2261 |
14 | 4120272cc8529 |
15 | 1bb4689b59576 |
hex | d276bdfd07f9 |
231407435450361 has 16 divisors (see below), whose sum is σ = 308966900679360. Its totient is φ = 154059932160000.
The previous prime is 231407435450353. The next prime is 231407435450431. The reversal of 231407435450361 is 163054534704132.
It is not a de Polignac number, because 231407435450361 - 23 = 231407435450353 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 231407435450361.
It is not an unprimeable number, because it can be changed into a prime (231407435450561) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10057140 + ... + 23747861.
It is an arithmetic number, because the mean of its divisors is an integer number (19310431292460).
Almost surely, 2231407435450361 is an apocalyptic number.
It is an amenable number.
231407435450361 is a deficient number, since it is larger than the sum of its proper divisors (77559465228999).
231407435450361 is a wasteful number, since it uses less digits than its factorization.
231407435450361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33808136.
The product of its (nonzero) digits is 3628800, while the sum is 48.
The spelling of 231407435450361 in words is "two hundred thirty-one trillion, four hundred seven billion, four hundred thirty-five million, four hundred fifty thousand, three hundred sixty-one".
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