Base | Representation |
---|---|
bin | 11101010000110010… |
… | …001110010011011111 |
3 | 10000002201111011202020 |
4 | 131100302032103133 |
5 | 1003322022123033 |
6 | 22233442031223 |
7 | 2161422364215 |
oct | 352062162337 |
9 | 100081434666 |
10 | 31420114143 |
11 | 12363920890 |
12 | 610a648513 |
13 | 2c69666c22 |
14 | 1740cb4cb5 |
15 | c3d6436b3 |
hex | 750c8e4df |
31420114143 has 16 divisors (see below), whose sum is σ = 45732748800. Its totient is φ = 19029674880.
The previous prime is 31420114111. The next prime is 31420114157. The reversal of 31420114143 is 34141102413.
It is not a de Polignac number, because 31420114143 - 25 = 31420114111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31421114143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270583 + ... + 368856.
It is an arithmetic number, because the mean of its divisors is an integer number (2858296800).
Almost surely, 231420114143 is an apocalyptic number.
31420114143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
31420114143 is a deficient number, since it is larger than the sum of its proper divisors (14312634657).
31420114143 is a wasteful number, since it uses less digits than its factorization.
31420114143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 640942.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 31420114143 its reverse (34141102413), we get a palindrome (65561216556).
The spelling of 31420114143 in words is "thirty-one billion, four hundred twenty million, one hundred fourteen thousand, one hundred forty-three".
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