Base | Representation |
---|---|
bin | 1110001101101000… |
… | …00100100101111001 |
3 | 201200210010212220201 |
4 | 13012310010211321 |
5 | 111111402200421 |
6 | 3301100122201 |
7 | 360043143142 |
oct | 70664044571 |
9 | 21623125821 |
10 | 7630506361 |
11 | 3266249405 |
12 | 158b536361 |
13 | 947b2312a |
14 | 5255a4ac9 |
15 | 2e9d60b91 |
hex | 1c6d04979 |
7630506361 has 4 divisors (see below), whose sum is σ = 7893627300. Its totient is φ = 7367385424.
The previous prime is 7630506349. The next prime is 7630506371. The reversal of 7630506361 is 1636050367.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1845991225 + 5784515136 = 42965^2 + 76056^2 .
It is a cyclic number.
It is not a de Polignac number, because 7630506361 - 211 = 7630504313 is a prime.
It is a super-2 number, since 2×76305063612 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 7630506361.
It is not an unprimeable number, because it can be changed into a prime (7630506311) 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, 131560426 + ... + 131560483.
It is an arithmetic number, because the mean of its divisors is an integer number (1973406825).
Almost surely, 27630506361 is an apocalyptic number.
It is an amenable number.
7630506361 is a deficient number, since it is larger than the sum of its proper divisors (263120939).
7630506361 is a wasteful number, since it uses less digits than its factorization.
7630506361 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263120938.
The product of its (nonzero) digits is 68040, while the sum is 37.
The square root of 7630506361 is about 87352.7696240938. The cubic root of 7630506361 is about 1968.7222649712.
The spelling of 7630506361 in words is "seven billion, six hundred thirty million, five hundred six thousand, three hundred sixty-one".
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