Base | Representation |
---|---|
bin | 11101110101011000001011… |
… | …010101010111011001010110 |
3 | 122012120200122221001121021201 |
4 | 131311120023111113121112 |
5 | 114144232012401334110 |
6 | 1143021412011503114 |
7 | 36431466553523215 |
oct | 3565301325273126 |
9 | 565520587047251 |
10 | 131211441043030 |
11 | 38898506880287 |
12 | 128717a6157a9a |
13 | 582a25527932a |
14 | 245894bda307c |
15 | 102819d8e2b3a |
hex | 77560b557656 |
131211441043030 has 32 divisors (see below), whose sum is σ = 241942137651648. Its totient is φ = 51204244377600.
The previous prime is 131211441043027. The next prime is 131211441043061. The reversal of 131211441043030 is 30340144112131.
It is a super-2 number, since 2×1312114410430302 (a number of 29 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 131211441043030.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120749814 + ... + 121831606.
It is an arithmetic number, because the mean of its divisors is an integer number (7560691801614).
Almost surely, 2131211441043030 is an apocalyptic number.
131211441043030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131211441043030 is a deficient number, since it is larger than the sum of its proper divisors (110730696608618).
131211441043030 is a wasteful number, since it uses less digits than its factorization.
131211441043030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1377672.
The product of its (nonzero) digits is 3456, while the sum is 28.
Adding to 131211441043030 its reverse (30340144112131), we get a palindrome (161551585155161).
The spelling of 131211441043030 in words is "one hundred thirty-one trillion, two hundred eleven billion, four hundred forty-one million, forty-three thousand, thirty".
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