Base | Representation |
---|---|
bin | 10000111011100… |
… | …11101100111001 |
3 | 100220020221211100 |
4 | 20131303230321 |
5 | 242330003143 |
6 | 22032122013 |
7 | 3343151340 |
oct | 1035635471 |
9 | 326227740 |
10 | 142031673 |
11 | 7319a553 |
12 | 3b696309 |
13 | 2356c014 |
14 | 14c12b57 |
15 | c7086d3 |
hex | 8773b39 |
142031673 has 24 divisors (see below), whose sum is σ = 235664000. Its totient is φ = 80745984.
The previous prime is 142031653. The next prime is 142031689. The reversal of 142031673 is 376130241.
It is not a de Polignac number, because 142031673 - 29 = 142031161 is a prime.
It is a super-2 number, since 2×1420316732 = 40345992270357858, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142031653) 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, 6873 + ... + 18201.
Almost surely, 2142031673 is an apocalyptic number.
It is an amenable number.
142031673 is a deficient number, since it is larger than the sum of its proper divisors (93632327).
142031673 is a wasteful number, since it uses less digits than its factorization.
142031673 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11541 (or 11538 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 142031673 is about 11917.7041832729. The cubic root of 142031673 is about 521.7491307857.
It can be divided in two parts, 14203 and 1673, that added together give a square (15876 = 1262).
The spelling of 142031673 in words is "one hundred forty-two million, thirty-one thousand, six hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •