Base | Representation |
---|---|
bin | 1101001000001100… |
… | …10000001000011101 |
3 | 200012012012000222002 |
4 | 12210012100020131 |
5 | 103413301212121 |
6 | 3123212332045 |
7 | 336441414023 |
oct | 64406201035 |
9 | 20165160862 |
10 | 7048069661 |
11 | 2a974a7066 |
12 | 1448474025 |
13 | 884266829 |
14 | 4ac0b0713 |
15 | 2b3b61e0b |
hex | 1a419021d |
7048069661 has 8 divisors (see below), whose sum is σ = 7466398200. Its totient is φ = 6630156288.
The previous prime is 7048069631. The next prime is 7048069667. The reversal of 7048069661 is 1669608407.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 1348725625 + 5699344036 = 36725^2 + 75494^2 .
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 7048069661 - 210 = 7048068637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7048069667) 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, 68486 + ... + 137063.
It is an arithmetic number, because the mean of its divisors is an integer number (933299775).
Almost surely, 27048069661 is an apocalyptic number.
It is an amenable number.
7048069661 is a deficient number, since it is larger than the sum of its proper divisors (418328539).
7048069661 is a wasteful number, since it uses less digits than its factorization.
7048069661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207583.
The product of its (nonzero) digits is 435456, while the sum is 47.
The square root of 7048069661 is about 83952.7823303076. The cubic root of 7048069661 is about 1917.2999574073.
The spelling of 7048069661 in words is "seven billion, forty-eight million, sixty-nine thousand, six hundred sixty-one".
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