Base | Representation |
---|---|
bin | 101010011101101… |
… | …010101100101111 |
3 | 1211122112200201020 |
4 | 222131222230233 |
5 | 2424334421033 |
6 | 154405345223 |
7 | 23440320441 |
oct | 5235525457 |
9 | 1748480636 |
10 | 712420143 |
11 | 336162886 |
12 | 17a708213 |
13 | b479a6a6 |
14 | 6a88c491 |
15 | 428276b3 |
hex | 2a76ab2f |
712420143 has 24 divisors (see below), whose sum is σ = 1006516656. Its totient is φ = 448156800.
The previous prime is 712420133. The next prime is 712420153. The reversal of 712420143 is 341024217.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (712420133) and next prime (712420153).
It is not a de Polignac number, because 712420143 - 24 = 712420127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (712420123) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303153 + ... + 305493.
It is an arithmetic number, because the mean of its divisors is an integer number (41938194).
Almost surely, 2712420143 is an apocalyptic number.
712420143 is a deficient number, since it is larger than the sum of its proper divisors (294096513).
712420143 is a wasteful number, since it uses less digits than its factorization.
712420143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2663 (or 2644 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 712420143 is about 26691.1997294989. The cubic root of 712420143 is about 893.1246242247.
The spelling of 712420143 in words is "seven hundred twelve million, four hundred twenty thousand, one hundred forty-three".
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