Base | Representation |
---|---|
bin | 10001111011011010001… |
… | …011001011111010100010 |
3 | 11100210001122220001210200 |
4 | 101323122023023322202 |
5 | 130141134334342010 |
6 | 2341552130010030 |
7 | 155003425546356 |
oct | 21733213137242 |
9 | 4323048801720 |
10 | 1232021012130 |
11 | 435551819487 |
12 | 17a935416916 |
13 | 8c2435a316c |
14 | 438b713b466 |
15 | 220aae77cc0 |
hex | 11eda2cbea2 |
1232021012130 has 96 divisors (see below), whose sum is σ = 3264589336320. Its totient is φ = 322272276480.
The previous prime is 1232021012129. The next prime is 1232021012147. The reversal of 1232021012130 is 312101202321.
1232021012130 is a `hidden beast` number, since 1 + 2 + 320 + 210 + 1 + 2 + 130 = 666.
It is a super-3 number, since 3×12320210121303 (a number of 37 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2207970 + ... + 2709090.
It is an arithmetic number, because the mean of its divisors is an integer number (34006138920).
Almost surely, 21232021012130 is an apocalyptic number.
1232021012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1232021012130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632294668160).
1232021012130 is an abundant number, since it is smaller than the sum of its proper divisors (2032568324190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232021012130 is a wasteful number, since it uses less digits than its factorization.
1232021012130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 501656 (or 501653 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1232021012130 its reverse (312101202321), we get a palindrome (1544122214451).
The spelling of 1232021012130 in words is "one trillion, two hundred thirty-two billion, twenty-one million, twelve thousand, one hundred thirty".
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