Base | Representation |
---|---|
bin | 11101110101100100000100… |
… | …000001001011110100101000 |
3 | 122012121220121100100001211001 |
4 | 131311210010001023310220 |
5 | 114144434132010322440 |
6 | 1143031322225244344 |
7 | 36432431041300132 |
oct | 3565440401136450 |
9 | 565556540301731 |
10 | 131224203214120 |
11 | 388a2965785315 |
12 | 128741681936b4 |
13 | 582b50a2aa463 |
14 | 24593dcd00052 |
15 | 1028699016b9a |
hex | 77590404bd28 |
131224203214120 has 64 divisors (see below), whose sum is σ = 295518027571200. Its totient is φ = 52442833466880.
The previous prime is 131224203214099. The next prime is 131224203214141. The reversal of 131224203214120 is 21412302422131.
It is an interprime number because it is at equal distance from previous prime (131224203214099) and next prime (131224203214141).
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, 477543565 + ... + 477818275.
It is an arithmetic number, because the mean of its divisors is an integer number (4617469180800).
Almost surely, 2131224203214120 is an apocalyptic number.
131224203214120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131224203214120 is an abundant number, since it is smaller than the sum of its proper divisors (164293824357080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131224203214120 is a wasteful number, since it uses less digits than its factorization.
131224203214120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 285338 (or 285334 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 131224203214120 its reverse (21412302422131), we get a palindrome (152636505636251).
The spelling of 131224203214120 in words is "one hundred thirty-one trillion, two hundred twenty-four billion, two hundred three million, two hundred fourteen thousand, one hundred twenty".
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