Base | Representation |
---|---|
bin | 11111001101100111110… |
… | …011000111000000000101 |
3 | 21121001102212110101100202 |
4 | 133031213303013000011 |
5 | 240120304103210343 |
6 | 4321211200420245 |
7 | 310652240204666 |
oct | 37154763070005 |
9 | 7531385411322 |
10 | 2144930131973 |
11 | 757729161062 |
12 | 2a7850917685 |
13 | 12735c661505 |
14 | 75b5ab9336d |
15 | 3abdb953db8 |
hex | 1f367cc7005 |
2144930131973 has 2 divisors, whose sum is σ = 2144930131974. Its totient is φ = 2144930131972.
The previous prime is 2144930131807. The next prime is 2144930132027. The reversal of 2144930131973 is 3791310394412.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2100971977729 + 43958154244 = 1449473^2 + 209662^2 .
It is a cyclic number.
It is not a de Polignac number, because 2144930131973 - 210 = 2144930130949 is a prime.
It is a super-2 number, since 2×21449301319732 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2144930131073) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072465065986 + 1072465065987.
It is an arithmetic number, because the mean of its divisors is an integer number (1072465065987).
Almost surely, 22144930131973 is an apocalyptic number.
It is an amenable number.
2144930131973 is a deficient number, since it is larger than the sum of its proper divisors (1).
2144930131973 is an equidigital number, since it uses as much as digits as its factorization.
2144930131973 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 489888, while the sum is 47.
The spelling of 2144930131973 in words is "two trillion, one hundred forty-four billion, nine hundred thirty million, one hundred thirty-one thousand, nine hundred seventy-three".
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