Base | Representation |
---|---|
bin | 100111101100111101… |
… | …100101101100110001 |
3 | 11002000222101021220011 |
4 | 213230331211230301 |
5 | 1144301322230331 |
6 | 31330054414521 |
7 | 3036263230441 |
oct | 475475455461 |
9 | 132028337804 |
10 | 42630273841 |
11 | 17096750781 |
12 | 8318961441 |
13 | 4034c9500c |
14 | 20c5a50121 |
15 | 11978973b1 |
hex | 9ecf65b31 |
42630273841 has 27 divisors (see below), whose sum is σ = 45772341433. Its totient is φ = 39700243880.
The previous prime is 42630273827. The next prime is 42630273863. The reversal of 42630273841 is 14837203624.
It is a happy number.
The square root of 42630273841 is 206471.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 42630273841 - 25 = 42630273809 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42630273794 and 42630273803.
It is not an unprimeable number, because it can be changed into a prime (42630273811) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 223195056 + ... + 223195246.
Almost surely, 242630273841 is an apocalyptic number.
42630273841 is the 206471-st square number.
42630273841 is the 103236-th centered octagonal number.
It is an amenable number.
42630273841 is a deficient number, since it is larger than the sum of its proper divisors (3142067592).
42630273841 is an frugal number, since it uses more digits than its factorization.
42630273841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 522 (or 261 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 40.
The spelling of 42630273841 in words is "forty-two billion, six hundred thirty million, two hundred seventy-three thousand, eight hundred forty-one".
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