Base | Representation |
---|---|
bin | 111010101110000… |
… | …001011101000010 |
3 | 2112122201110021201 |
4 | 322232001131002 |
5 | 4004144034411 |
6 | 241431011414 |
7 | 33261402223 |
oct | 7256013502 |
9 | 2478643251 |
10 | 985143106 |
11 | 4660a6662 |
12 | 235b09b6a |
13 | 129137a1c |
14 | 94ba124a |
15 | 5b7493c1 |
hex | 3ab81742 |
985143106 has 8 divisors (see below), whose sum is σ = 1484057484. Its totient is φ = 490457280.
The previous prime is 985143101. The next prime is 985143113. The reversal of 985143106 is 601341589.
It can be written as a sum of positive squares in 2 ways, for example, as 858783025 + 126360081 = 29305^2 + 11241^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (985143101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056555 + ... + 1057486.
Almost surely, 2985143106 is an apocalyptic number.
985143106 is a deficient number, since it is larger than the sum of its proper divisors (498914378).
985143106 is a wasteful number, since it uses less digits than its factorization.
985143106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2114276.
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 985143106 is about 31386.9894383007. The cubic root of 985143106 is about 995.0229722902.
The spelling of 985143106 in words is "nine hundred eighty-five million, one hundred forty-three thousand, one hundred six".
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