Base | Representation |
---|---|
bin | 1101110101011000010001… |
… | …10001000111100011110000 |
3 | 10222201020221200222200202210 |
4 | 12322230020301013203300 |
5 | 12441411012003420222 |
6 | 144411222021212120 |
7 | 6256605443206443 |
oct | 672541061074360 |
9 | 128636850880683 |
10 | 30421400451312 |
11 | 976970951a252 |
12 | 34b3a55561040 |
13 | 13c8958631220 |
14 | 77259182365a |
15 | 37b4e5371d0c |
hex | 1bab08c478f0 |
30421400451312 has 40 divisors (see below), whose sum is σ = 84633896129104. Its totient is φ = 9360430907904.
The previous prime is 30421400451287. The next prime is 30421400451319. The reversal of 30421400451312 is 21315400412403.
It is a self number, because there is not a number n which added to its sum of digits gives 30421400451312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30421400451319) 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, 24376121533 + ... + 24376122780.
Almost surely, 230421400451312 is an apocalyptic number.
It is an amenable number.
30421400451312 is an abundant number, since it is smaller than the sum of its proper divisors (54212495677792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30421400451312 is a wasteful number, since it uses less digits than its factorization.
30421400451312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48752244337 (or 48752244331 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 30421400451312 its reverse (21315400412403), we get a palindrome (51736800863715).
The spelling of 30421400451312 in words is "thirty trillion, four hundred twenty-one billion, four hundred million, four hundred fifty-one thousand, three hundred twelve".
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