Base | Representation |
---|---|
bin | 1101100011010000… |
… | …00100011101110100 |
3 | 200210000021020210100 |
4 | 12301220010131310 |
5 | 104344402213310 |
6 | 3201521154100 |
7 | 345165544005 |
oct | 66150043564 |
9 | 20700236710 |
10 | 7275038580 |
11 | 30a362a187 |
12 | 14b048b930 |
13 | 8bc2a4274 |
14 | 4d02b31ac |
15 | 2c8a46ec0 |
hex | 1b1a04774 |
7275038580 has 36 divisors (see below), whose sum is σ = 22067617572. Its totient is φ = 1940010240.
The previous prime is 7275038579. The next prime is 7275038581. The reversal of 7275038580 is 858305727.
It is an interprime number because it is at equal distance from previous prime (7275038579) and next prime (7275038581).
It can be written as a sum of positive squares in 2 ways, for example, as 1780671204 + 5494367376 = 42198^2 + 74124^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7275038581) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20208261 + ... + 20208620.
It is an arithmetic number, because the mean of its divisors is an integer number (612989377).
Almost surely, 27275038580 is an apocalyptic number.
It is an amenable number.
7275038580 is an abundant number, since it is smaller than the sum of its proper divisors (14792578992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7275038580 is a wasteful number, since it uses less digits than its factorization.
7275038580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40416896 (or 40416891 counting only the distinct ones).
The product of its (nonzero) digits is 470400, while the sum is 45.
The square root of 7275038580 is about 85293.8367058254. The cubic root of 7275038580 is about 1937.6638350808.
The spelling of 7275038580 in words is "seven billion, two hundred seventy-five million, thirty-eight thousand, five hundred eighty".
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