Base | Representation |
---|---|
bin | 111100001111110011… |
… | …0010000100100001101 |
3 | 110100221122200101102102 |
4 | 1320133212100210031 |
5 | 4104432030020101 |
6 | 135234100004445 |
7 | 12230064363302 |
oct | 1703746204415 |
9 | 410848611372 |
10 | 129379141901 |
11 | 4a962175269 |
12 | 210a8990725 |
13 | c27b385089 |
14 | 6394c530a9 |
15 | 35735c586b |
hex | 1e1f99090d |
129379141901 has 2 divisors, whose sum is σ = 129379141902. Its totient is φ = 129379141900.
The previous prime is 129379141777. The next prime is 129379141987. The reversal of 129379141901 is 109141973921.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 112393233001 + 16985908900 = 335251^2 + 130330^2 .
It is a cyclic number.
It is not a de Polignac number, because 129379141901 - 218 = 129378879757 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (129379147901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64689570950 + 64689570951.
It is an arithmetic number, because the mean of its divisors is an integer number (64689570951).
Almost surely, 2129379141901 is an apocalyptic number.
It is an amenable number.
129379141901 is a deficient number, since it is larger than the sum of its proper divisors (1).
129379141901 is an equidigital number, since it uses as much as digits as its factorization.
129379141901 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 122472, while the sum is 47.
The spelling of 129379141901 in words is "one hundred twenty-nine billion, three hundred seventy-nine million, one hundred forty-one thousand, nine hundred one".
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