Base | Representation |
---|---|
bin | 1101110000100100110011… |
… | …11100010100111110000101 |
3 | 10222010110212211020220200200 |
4 | 12320102121330110332011 |
5 | 12431204432041032410 |
6 | 144203322303201113 |
7 | 6241643056456500 |
oct | 670223174247605 |
9 | 128113784226620 |
10 | 30256332361605 |
11 | 97057029232a9 |
12 | 3487a685a6199 |
13 | 13b62103b586c |
14 | 7685b2ba6137 |
15 | 3770839cd3c0 |
hex | 1b8499f14f85 |
30256332361605 has 144 divisors (see below), whose sum is σ = 64601230359744. Its totient is φ = 13016649784320.
The previous prime is 30256332361583. The next prime is 30256332361609. The reversal of 30256332361605 is 50616323365203.
It is a happy number.
30256332361605 is a `hidden beast` number, since 3 + 0 + 2 + 5 + 6 + 3 + 3 + 2 + 36 + 1 + 605 = 666.
It is not a de Polignac number, because 30256332361605 - 25 = 30256332361573 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30256332361609) by changing a digit.
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 143 ways as a sum of consecutive naturals, for example, 493684294 + ... + 493745576.
It is an arithmetic number, because the mean of its divisors is an integer number (448619655276).
Almost surely, 230256332361605 is an apocalyptic number.
30256332361605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30256332361605 is an abundant number, since it is smaller than the sum of its proper divisors (34344897998139).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30256332361605 is a wasteful number, since it uses less digits than its factorization.
30256332361605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74496 (or 74486 counting only the distinct ones).
The product of its (nonzero) digits is 1749600, while the sum is 45.
The spelling of 30256332361605 in words is "thirty trillion, two hundred fifty-six billion, three hundred thirty-two million, three hundred sixty-one thousand, six hundred five".
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