Base | Representation |
---|---|
bin | 1101000101011110… |
… | …00100100101100001 |
3 | 200010121011221102022 |
4 | 12202233010211201 |
5 | 103341423401331 |
6 | 3121034431225 |
7 | 336043230560 |
oct | 64257044541 |
9 | 20117157368 |
10 | 7025215841 |
11 | 2a85607706 |
12 | 1440892515 |
13 | 87c5c4467 |
14 | 4a9041bd7 |
15 | 2b1b4a67b |
hex | 1a2bc4961 |
7025215841 has 8 divisors (see below), whose sum is σ = 8377897344. Its totient is φ = 5759804160.
The previous prime is 7025215787. The next prime is 7025215849. The reversal of 7025215841 is 1485125207.
7025215841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 7025215841 - 222 = 7021021537 is a prime.
It is a super-2 number, since 2×70252158412 = 98707315225274674562, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7025215849) 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, 21817280 + ... + 21817601.
It is an arithmetic number, because the mean of its divisors is an integer number (1047237168).
Almost surely, 27025215841 is an apocalyptic number.
It is an amenable number.
7025215841 is a deficient number, since it is larger than the sum of its proper divisors (1352681503).
7025215841 is a wasteful number, since it uses less digits than its factorization.
7025215841 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43634911.
The product of its (nonzero) digits is 22400, while the sum is 35.
The square root of 7025215841 is about 83816.5606607668. The cubic root of 7025215841 is about 1915.2253906007.
The spelling of 7025215841 in words is "seven billion, twenty-five million, two hundred fifteen thousand, eight hundred forty-one".
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