Base | Representation |
---|---|
bin | 111100101000100110… |
… | …0101110111001111110 |
3 | 110110002122112222010200 |
4 | 1321101030232321332 |
5 | 4113133043424410 |
6 | 135452424144330 |
7 | 12256520612040 |
oct | 1712114567176 |
9 | 413078488120 |
10 | 130211311230 |
11 | 50249988410 |
12 | 2129b6080a6 |
13 | c3818bc470 |
14 | 6433593a90 |
15 | 35c16a43c0 |
hex | 1e5132ee7e |
130211311230 has 384 divisors, whose sum is σ = 460980688896. Its totient is φ = 24622617600.
The previous prime is 130211311193. The next prime is 130211311259. The reversal of 130211311230 is 32113112031.
130211311230 is a `hidden beast` number, since 1 + 302 + 1 + 131 + 1 + 230 = 666.
130211311230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1302113112302 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6386212 + ... + 6406568.
It is an arithmetic number, because the mean of its divisors is an integer number (1200470544).
Almost surely, 2130211311230 is an apocalyptic number.
130211311230 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 130211311230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230490344448).
130211311230 is an abundant number, since it is smaller than the sum of its proper divisors (330769377666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130211311230 is a wasteful number, since it uses less digits than its factorization.
130211311230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20472 (or 20469 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 130211311230 its reverse (32113112031), we get a palindrome (162324423261).
The spelling of 130211311230 in words is "one hundred thirty billion, two hundred eleven million, three hundred eleven thousand, two hundred thirty".
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