Base | Representation |
---|---|
bin | 10001111001101101101… |
… | …101100100110001101000 |
3 | 11100121100211210122012001 |
4 | 101321231231210301220 |
5 | 130123423013412222 |
6 | 2341051403300344 |
7 | 154610351414302 |
oct | 21715555446150 |
9 | 4317324718161 |
10 | 1230201310312 |
11 | 4347a8628587 |
12 | 17a507b1a6b4 |
13 | 8c0135a5620 |
14 | 437835b6972 |
15 | 2200132be27 |
hex | 11e6db64c68 |
1230201310312 has 128 divisors (see below), whose sum is σ = 2533955508000. Its totient is φ = 556491866112.
The previous prime is 1230201310301. The next prime is 1230201310313. The reversal of 1230201310312 is 2130131020321.
It can be written as a sum of positive squares in 16 ways, for example, as 9825963876 + 1220375346436 = 99126^2 + 1104706^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1230201310312.
It is not an unprimeable number, because it can be changed into a prime (1230201310313) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1066956328 + ... + 1066957480.
Almost surely, 21230201310312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1230201310312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266977754000).
1230201310312 is an abundant number, since it is smaller than the sum of its proper divisors (1303754197688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230201310312 is a wasteful number, since it uses less digits than its factorization.
1230201310312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2007 (or 2003 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 1230201310312 its reverse (2130131020321), we get a palindrome (3360332330633).
The spelling of 1230201310312 in words is "one trillion, two hundred thirty billion, two hundred one million, three hundred ten thousand, three hundred twelve".
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