Base | Representation |
---|---|
bin | 111101000011000111… |
… | …1001000110110100111 |
3 | 110112101122220122211201 |
4 | 1322012033020312213 |
5 | 4121443342243442 |
6 | 140121012143331 |
7 | 12320544153166 |
oct | 1720617106647 |
9 | 415348818751 |
10 | 131101134247 |
11 | 50666199636 |
12 | 214a9607b47 |
13 | c494061865 |
14 | 64b98213dd |
15 | 36248707b7 |
hex | 1e863c8da7 |
131101134247 has 2 divisors, whose sum is σ = 131101134248. Its totient is φ = 131101134246.
The previous prime is 131101134239. The next prime is 131101134253. The reversal of 131101134247 is 742431101131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131101134247 - 23 = 131101134239 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131101134347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65550567123 + 65550567124.
It is an arithmetic number, because the mean of its divisors is an integer number (65550567124).
Almost surely, 2131101134247 is an apocalyptic number.
131101134247 is a deficient number, since it is larger than the sum of its proper divisors (1).
131101134247 is an equidigital number, since it uses as much as digits as its factorization.
131101134247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2016, while the sum is 28.
Adding to 131101134247 its reverse (742431101131), we get a palindrome (873532235378).
The spelling of 131101134247 in words is "one hundred thirty-one billion, one hundred one million, one hundred thirty-four thousand, two hundred forty-seven".
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