Base | Representation |
---|---|
bin | 1000010101011111101… |
… | …0101110110000011111 |
3 | 111200122110212122020120 |
4 | 2011113322232300133 |
5 | 4321242441400211 |
6 | 145442252250023 |
7 | 13226564600163 |
oct | 2052772566037 |
9 | 450573778216 |
10 | 143208934431 |
11 | 5580978a072 |
12 | 23908470913 |
13 | 1067363b374 |
14 | 6d078a0ca3 |
15 | 3ad27d6d06 |
hex | 2157eaec1f |
143208934431 has 8 divisors (see below), whose sum is σ = 190948606464. Its totient is φ = 95470942680.
The previous prime is 143208934409. The next prime is 143208934433. The reversal of 143208934431 is 134439802341.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 143208934431 - 26 = 143208934367 is a prime.
It is a super-2 number, since 2×1432089344312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143208934433) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205551 + ... + 573296.
It is an arithmetic number, because the mean of its divisors is an integer number (23868575808).
Almost surely, 2143208934431 is an apocalyptic number.
143208934431 is a deficient number, since it is larger than the sum of its proper divisors (47739672033).
143208934431 is an equidigital number, since it uses as much as digits as its factorization.
143208934431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 840141.
The product of its (nonzero) digits is 248832, while the sum is 42.
The spelling of 143208934431 in words is "one hundred forty-three billion, two hundred eight million, nine hundred thirty-four thousand, four hundred thirty-one".
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