Base | Representation |
---|---|
bin | 101010011100100… |
… | …110111100110001 |
3 | 1211122000121001101 |
4 | 222130212330301 |
5 | 2424302031031 |
6 | 154355404401 |
7 | 23435053420 |
oct | 5234467461 |
9 | 1748017041 |
10 | 712142641 |
11 | 335a93341 |
12 | 17a5b3701 |
13 | b47012a2 |
14 | 6a8192b7 |
15 | 427c0361 |
hex | 2a726f31 |
712142641 has 8 divisors (see below), whose sum is σ = 815327424. Its totient is φ = 609320400.
The previous prime is 712142623. The next prime is 712142657. The reversal of 712142641 is 146241217.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 712142641 - 211 = 712140593 is a prime.
It is a super-2 number, since 2×7121426412 = 1014294282260909762, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (712142341) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86410 + ... + 94291.
It is an arithmetic number, because the mean of its divisors is an integer number (101915928).
Almost surely, 2712142641 is an apocalyptic number.
It is an amenable number.
712142641 is a deficient number, since it is larger than the sum of its proper divisors (103184783).
712142641 is a wasteful number, since it uses less digits than its factorization.
712142641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 181271.
The product of its digits is 2688, while the sum is 28.
The square root of 712142641 is about 26686.0008431387. Note that the first 3 decimals coincide. The cubic root of 712142641 is about 893.0086458192.
Adding to 712142641 its reverse (146241217), we get a palindrome (858383858).
The spelling of 712142641 in words is "seven hundred twelve million, one hundred forty-two thousand, six hundred forty-one".
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