Base | Representation |
---|---|
bin | 111101000110101010… |
… | …0110101101111101111 |
3 | 110112200221201012010212 |
4 | 1322031110311233233 |
5 | 4122214314204414 |
6 | 140140501253035 |
7 | 12323520120611 |
oct | 1721524655757 |
9 | 415627635125 |
10 | 131220069359 |
11 | 50717343315 |
12 | 2152140417b |
13 | c4b28a4b72 |
14 | 64cb540db1 |
15 | 363001583e |
hex | 1e8d535bef |
131220069359 has 2 divisors, whose sum is σ = 131220069360. Its totient is φ = 131220069358.
The previous prime is 131220069349. The next prime is 131220069427. The reversal of 131220069359 is 953960022131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131220069359 - 220 = 131219020783 is a prime.
It is a super-3 number, since 3×1312200693593 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131220069329) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65610034679 + 65610034680.
It is an arithmetic number, because the mean of its divisors is an integer number (65610034680).
Almost surely, 2131220069359 is an apocalyptic number.
131220069359 is a deficient number, since it is larger than the sum of its proper divisors (1).
131220069359 is an equidigital number, since it uses as much as digits as its factorization.
131220069359 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 87480, while the sum is 41.
The spelling of 131220069359 in words is "one hundred thirty-one billion, two hundred twenty million, sixty-nine thousand, three hundred fifty-nine".
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