Base | Representation |
---|---|
bin | 11101110010100110111100… |
… | …110000001101111111010100 |
3 | 122011220111110210211100212120 |
4 | 131302212330300031333110 |
5 | 114133122300343340200 |
6 | 1142354141020215540 |
7 | 36411652043422146 |
oct | 3562467460157724 |
9 | 564814423740776 |
10 | 131021144121300 |
11 | 38824834162434 |
12 | 1284093809a5b0 |
13 | 58153192869b4 |
14 | 244d658832c96 |
15 | 10232622299a0 |
hex | 7729bcc0dfd4 |
131021144121300 has 144 divisors (see below), whose sum is σ = 380202358949952. Its totient is φ = 34836263193600.
The previous prime is 131021144121221. The next prime is 131021144121319. The reversal of 131021144121300 is 3121441120131.
It is a super-2 number, since 2×1310211441213002 (a number of 29 digits) contains 22 as substring.
It is a congruent 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, 2910717594 + ... + 2910762606.
Almost surely, 2131021144121300 is an apocalyptic number.
131021144121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131021144121300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190101179474976).
131021144121300 is an abundant number, since it is smaller than the sum of its proper divisors (249181214828652).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131021144121300 is a wasteful number, since it uses less digits than its factorization.
131021144121300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73338 (or 73331 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 24.
Adding to 131021144121300 its reverse (3121441120131), we get a palindrome (134142585241431).
The spelling of 131021144121300 in words is "one hundred thirty-one trillion, twenty-one billion, one hundred forty-four million, one hundred twenty-one thousand, three hundred".
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