Base | Representation |
---|---|
bin | 1101010100001100… |
… | …01000101100100100 |
3 | 200110012112201021021 |
4 | 12222012020230210 |
5 | 104120031440000 |
6 | 3141205300524 |
7 | 342102653152 |
oct | 65206105444 |
9 | 20405481237 |
10 | 7148702500 |
11 | 303928aaa5 |
12 | 1476104744 |
13 | 89c06c3a4 |
14 | 4bb5c83d2 |
15 | 2bc8de11a |
hex | 1aa188b24 |
7148702500 has 135 divisors (see below), whose sum is σ = 16686328197. Its totient is φ = 2678544000.
The previous prime is 7148702497. The next prime is 7148702501. The reversal of 7148702500 is 52078417.
It is a happy number.
The square root of 7148702500 is 84550.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 7 ways, for example, as 6944555556 + 204146944 = 83334^2 + 14288^2 .
It is a super-3 number, since 3×71487025003 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7148702501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 80322456 + ... + 80322544.
Almost surely, 27148702500 is an apocalyptic number.
7148702500 is the 84550-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7148702500
7148702500 is an abundant number, since it is smaller than the sum of its proper divisors (9537625697).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7148702500 is an equidigital number, since it uses as much as digits as its factorization.
7148702500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240 (or 115 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 34.
The cubic root of 7148702500 is about 1926.3819839483.
The spelling of 7148702500 in words is "seven billion, one hundred forty-eight million, seven hundred two thousand, five hundred".
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