Base | Representation |
---|---|
bin | 1101011000111001010… |
… | …0100110010011010000 |
3 | 210222201120011002010220 |
4 | 3112032110212103100 |
5 | 12232040340443440 |
6 | 253400432553040 |
7 | 22422064335036 |
oct | 3261624462320 |
9 | 728646132126 |
10 | 230021031120 |
11 | 8960796a221 |
12 | 386b56b2780 |
13 | 188c9b68b0a |
14 | b1c1242556 |
15 | 5eb3d548d0 |
hex | 358e5264d0 |
230021031120 has 40 divisors (see below), whose sum is σ = 713065197216. Its totient is φ = 61338941568.
The previous prime is 230021031043. The next prime is 230021031133. The reversal of 230021031120 is 21130120032.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 230021031120.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479210242 + ... + 479210721.
Almost surely, 2230021031120 is an apocalyptic number.
230021031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
230021031120 is an abundant number, since it is smaller than the sum of its proper divisors (483044166096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230021031120 is a wasteful number, since it uses less digits than its factorization.
230021031120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 958420979 (or 958420973 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 230021031120 its reverse (21130120032), we get a palindrome (251151151152).
The spelling of 230021031120 in words is "two hundred thirty billion, twenty-one million, thirty-one thousand, one hundred twenty".
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