Base | Representation |
---|---|
bin | 11111000000111011011… |
… | …111111101100000101011 |
3 | 21112202021002202012121112 |
4 | 133000323133331200223 |
5 | 234404401303403341 |
6 | 4311035010500535 |
7 | 306660436125425 |
oct | 37007337754053 |
9 | 7482232665545 |
10 | 2131302012971 |
11 | 75197547259a |
12 | 2a508889474b |
13 | 125c9a0ca181 |
14 | 75226c41815 |
15 | 3a6902ccaeb |
hex | 1f03b7fd82b |
2131302012971 has 2 divisors, whose sum is σ = 2131302012972. Its totient is φ = 2131302012970.
The previous prime is 2131302012893. The next prime is 2131302013003. The reversal of 2131302012971 is 1792102031312.
It is an a-pointer prime, because the next prime (2131302013003) can be obtained adding 2131302012971 to its sum of digits (32).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2131302012971 - 222 = 2131297818667 is a prime.
It is not a weakly prime, because it can be changed into another prime (2131302018971) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065651006485 + 1065651006486.
It is an arithmetic number, because the mean of its divisors is an integer number (1065651006486).
Almost surely, 22131302012971 is an apocalyptic number.
2131302012971 is a deficient number, since it is larger than the sum of its proper divisors (1).
2131302012971 is an equidigital number, since it uses as much as digits as its factorization.
2131302012971 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4536, while the sum is 32.
The spelling of 2131302012971 in words is "two trillion, one hundred thirty-one billion, three hundred two million, twelve thousand, nine hundred seventy-one".
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