Base | Representation |
---|---|
bin | 10001000011100… |
… | …11110100011011 |
3 | 100222020020212100 |
4 | 20201303310123 |
5 | 243112040411 |
6 | 22110414443 |
7 | 3355110663 |
oct | 1041636433 |
9 | 328206770 |
10 | 143080731 |
11 | 73846742 |
12 | 3bb01423 |
13 | 23848671 |
14 | 150071a3 |
15 | c864456 |
hex | 8873d1b |
143080731 has 6 divisors (see below), whose sum is σ = 206672180. Its totient is φ = 95387148.
The previous prime is 143080709. The next prime is 143080747. The reversal of 143080731 is 137080341.
143080731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 143080731 - 213 = 143072539 is a prime.
It is a super-2 number, since 2×1430807312 = 40944191166988722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143080695 and 143080704.
It is not an unprimeable number, because it can be changed into a prime (143080781) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7948921 + ... + 7948938.
Almost surely, 2143080731 is an apocalyptic number.
143080731 is a deficient number, since it is larger than the sum of its proper divisors (63591449).
143080731 is a wasteful number, since it uses less digits than its factorization.
143080731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15897865 (or 15897862 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 143080731 is about 11961.6357995050. The cubic root of 143080731 is about 523.0305422050.
The spelling of 143080731 in words is "one hundred forty-three million, eighty thousand, seven hundred thirty-one".
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