Base | Representation |
---|---|
bin | 1101101111110101111001… |
… | …01011101111011000110000 |
3 | 10222001001212111120022102122 |
4 | 12313322330223233120300 |
5 | 12430301341211142034 |
6 | 144143555123333412 |
7 | 6240061652104115 |
oct | 667727453573060 |
9 | 128031774508378 |
10 | 30231145412144 |
11 | 96a5a58508396 |
12 | 3482bb9521268 |
13 | 13b3a28214281 |
14 | 7672a3a7690c |
15 | 3765ac6cd62e |
hex | 1b7ebcaef630 |
30231145412144 has 40 divisors (see below), whose sum is σ = 60917361188160. Its totient is φ = 14520878581248.
The previous prime is 30231145412119. The next prime is 30231145412147. The reversal of 30231145412144 is 44121454113203.
It is not an unprimeable number, because it can be changed into a prime (30231145412147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323156549 + ... + 323250084.
It is an arithmetic number, because the mean of its divisors is an integer number (1522934029704).
Almost surely, 230231145412144 is an apocalyptic number.
It is an amenable number.
30231145412144 is an abundant number, since it is smaller than the sum of its proper divisors (30686215776016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231145412144 is a wasteful number, since it uses less digits than its factorization.
30231145412144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 646406757 (or 646406751 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 35.
Adding to 30231145412144 its reverse (44121454113203), we get a palindrome (74352599525347).
The spelling of 30231145412144 in words is "thirty trillion, two hundred thirty-one billion, one hundred forty-five million, four hundred twelve thousand, one hundred forty-four".
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