Base | Representation |
---|---|
bin | 100100101010000… |
… | …1100110010110100 |
3 | 10011201112002202200 |
4 | 1021110030302310 |
5 | 10004342011202 |
6 | 322015504500 |
7 | 42324046164 |
oct | 11124146264 |
9 | 3151462680 |
10 | 1230032052 |
11 | 581359317 |
12 | 2a3b28130 |
13 | 167aaac22 |
14 | b950a5a4 |
15 | 72ebde1c |
hex | 4950ccb4 |
1230032052 has 36 divisors (see below), whose sum is σ = 3113109636. Its totient is φ = 409501440.
The previous prime is 1230032009. The next prime is 1230032053. The reversal of 1230032052 is 2502300321.
It can be written as a sum of positive squares in 2 ways, for example, as 931226256 + 298805796 = 30516^2 + 17286^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230032053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8748 + ... + 50364.
Almost surely, 21230032052 is an apocalyptic number.
1230032052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1230032052 is an abundant number, since it is smaller than the sum of its proper divisors (1883077584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230032052 is a wasteful number, since it uses less digits than its factorization.
1230032052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42448 (or 42443 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 1230032052 is about 35071.8127846281. The cubic root of 1230032052 is about 1071.4505763404.
Adding to 1230032052 its reverse (2502300321), we get a palindrome (3732332373).
The spelling of 1230032052 in words is "one billion, two hundred thirty million, thirty-two thousand, fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •