Base | Representation |
---|---|
bin | 11110000000110101101100… |
… | …010111010000100001111111 |
3 | 122022100222121121101200212101 |
4 | 132000311230113100201333 |
5 | 114300133022233204234 |
6 | 1144423305301045531 |
7 | 36542421313652143 |
oct | 3600655427204177 |
9 | 568328547350771 |
10 | 131999047944319 |
11 | 390715333a1536 |
12 | 1297a3720b68a7 |
13 | 58865c27c7baa |
14 | 2484b06421223 |
15 | 103d8e8bb5814 |
hex | 780d6c5d087f |
131999047944319 has 2 divisors, whose sum is σ = 131999047944320. Its totient is φ = 131999047944318.
The previous prime is 131999047944307. The next prime is 131999047944371. The reversal of 131999047944319 is 913449740999131.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 131999047944319 - 227 = 131998913726591 is a prime.
It is a super-2 number, since 2×1319990479443192 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131999047944719) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65999523972159 + 65999523972160.
It is an arithmetic number, because the mean of its divisors is an integer number (65999523972160).
Almost surely, 2131999047944319 is an apocalyptic number.
131999047944319 is a deficient number, since it is larger than the sum of its proper divisors (1).
131999047944319 is an equidigital number, since it uses as much as digits as its factorization.
131999047944319 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 238085568, while the sum is 73.
The spelling of 131999047944319 in words is "one hundred thirty-one trillion, nine hundred ninety-nine billion, forty-seven million, nine hundred forty-four thousand, three hundred nineteen".
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