Base | Representation |
---|---|
bin | 1101011010110000010… |
… | …1001100101010000000 |
3 | 211001000100122002120002 |
4 | 3112230011030222000 |
5 | 12234101144413100 |
6 | 253522150135132 |
7 | 22440336210542 |
oct | 3265405145200 |
9 | 731010562502 |
10 | 230520310400 |
11 | 89843784126 |
12 | 388149514a8 |
13 | 1897942ab43 |
14 | b22b68b692 |
15 | 5ee2ac92d5 |
hex | 35ac14ca80 |
230520310400 has 48 divisors (see below), whose sum is σ = 569457212190. Its totient is φ = 92208122880.
The previous prime is 230520310399. The next prime is 230520310429. The reversal of 230520310400 is 4013025032.
It is a happy number.
It can be written as a sum of positive squares in 3 ways, for example, as 148188042304 + 82332268096 = 384952^2 + 286936^2 .
It is a super-2 number, since 2×2305203104002 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36015599 + ... + 36021998.
Almost surely, 2230520310400 is an apocalyptic number.
230520310400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230520310400 is an abundant number, since it is smaller than the sum of its proper divisors (338936901790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230520310400 is an equidigital number, since it uses as much as digits as its factorization.
230520310400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72037621 (or 72037604 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 230520310400 its reverse (4013025032), we get a palindrome (234533335432).
The spelling of 230520310400 in words is "two hundred thirty billion, five hundred twenty million, three hundred ten thousand, four hundred".
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