Base | Representation |
---|---|
bin | 1101110010001100111011… |
… | …01110110100000000100000 |
3 | 10222022211011110110200110210 |
4 | 12321012131232310000200 |
5 | 12433113422002034212 |
6 | 144245125122254120 |
7 | 6245662221023214 |
oct | 671063556640040 |
9 | 128284143420423 |
10 | 30312230502432 |
11 | 97273879758aa |
12 | 34968687b7340 |
13 | 13bb57b0a9538 |
14 | 76b19698c944 |
15 | 37875608a53c |
hex | 1b919dbb4020 |
30312230502432 has 96 divisors (see below), whose sum is σ = 84257323440192. Its totient is φ = 9508911939584.
The previous prime is 30312230502431. The next prime is 30312230502439. The reversal of 30312230502432 is 23420503221303.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 30312230502432.
It is not an unprimeable number, because it can be changed into a prime (30312230502431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18584368 + ... + 20149520.
It is an arithmetic number, because the mean of its divisors is an integer number (877680452502).
Almost surely, 230312230502432 is an apocalyptic number.
30312230502432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30312230502432 is an abundant number, since it is smaller than the sum of its proper divisors (53945092937760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30312230502432 is a wasteful number, since it uses less digits than its factorization.
30312230502432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1577050 (or 1577042 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 30.
Adding to 30312230502432 its reverse (23420503221303), we get a palindrome (53732733723735).
The spelling of 30312230502432 in words is "thirty trillion, three hundred twelve billion, two hundred thirty million, five hundred two thousand, four hundred thirty-two".
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