Base | Representation |
---|---|
bin | 11110111111111101000… |
… | …111111100110010111101 |
3 | 21112122120011121102111022 |
4 | 132333331013330302331 |
5 | 234400230403444242 |
6 | 4310343105033525 |
7 | 306622501152233 |
oct | 36777507746275 |
9 | 7478504542438 |
10 | 2130255531197 |
11 | 751488791322 |
12 | 2a4a363258a5 |
13 | 125b613670a1 |
14 | 75167c74953 |
15 | 3a62d4b90d2 |
hex | 1effd1fccbd |
2130255531197 has 2 divisors, whose sum is σ = 2130255531198. Its totient is φ = 2130255531196.
The previous prime is 2130255531127. The next prime is 2130255531241. The reversal of 2130255531197 is 7911355520312.
It is an a-pointer prime, because the next prime (2130255531241) can be obtained adding 2130255531197 to its sum of digits (44).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1654467360121 + 475788171076 = 1286261^2 + 689774^2 .
It is a cyclic number.
It is not a de Polignac number, because 2130255531197 - 210 = 2130255530173 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2130255531127) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065127765598 + 1065127765599.
It is an arithmetic number, because the mean of its divisors is an integer number (1065127765599).
Almost surely, 22130255531197 is an apocalyptic number.
It is an amenable number.
2130255531197 is a deficient number, since it is larger than the sum of its proper divisors (1).
2130255531197 is an equidigital number, since it uses as much as digits as its factorization.
2130255531197 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 283500, while the sum is 44.
The spelling of 2130255531197 in words is "two trillion, one hundred thirty billion, two hundred fifty-five million, five hundred thirty-one thousand, one hundred ninety-seven".
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