Base | Representation |
---|---|
bin | 111101000100101000… |
… | …1010101000101110101 |
3 | 110112112012200221211102 |
4 | 1322021101111011311 |
5 | 4122044410242214 |
6 | 140130031215445 |
7 | 12322032643313 |
oct | 1721121250565 |
9 | 415465627742 |
10 | 131152040309 |
11 | 506919a9064 |
12 | 21502677585 |
13 | c4a17764a4 |
14 | 64c24b30b3 |
15 | 3629078bde |
hex | 1e89455175 |
131152040309 has 2 divisors, whose sum is σ = 131152040310. Its totient is φ = 131152040308.
The previous prime is 131152040293. The next prime is 131152040333. The reversal of 131152040309 is 903040251131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 94700830225 + 36451210084 = 307735^2 + 190922^2 .
It is a cyclic number.
It is not a de Polignac number, because 131152040309 - 24 = 131152040293 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131152040399) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65576020154 + 65576020155.
It is an arithmetic number, because the mean of its divisors is an integer number (65576020155).
Almost surely, 2131152040309 is an apocalyptic number.
It is an amenable number.
131152040309 is a deficient number, since it is larger than the sum of its proper divisors (1).
131152040309 is an equidigital number, since it uses as much as digits as its factorization.
131152040309 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3240, while the sum is 29.
The spelling of 131152040309 in words is "one hundred thirty-one billion, one hundred fifty-two million, forty thousand, three hundred nine".
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