Base | Representation |
---|---|
bin | 100011110011001… |
… | …1000000110100010 |
3 | 10002201100102222002 |
4 | 1013212120012202 |
5 | 4430004230110 |
6 | 315110444002 |
7 | 41524251545 |
oct | 10746300642 |
9 | 3081312862 |
10 | 1201242530 |
11 | 567085324 |
12 | 296363602 |
13 | 161b3abc7 |
14 | b577485c |
15 | 706d3aa5 |
hex | 479981a2 |
1201242530 has 8 divisors (see below), whose sum is σ = 2162236572. Its totient is φ = 480497008.
The previous prime is 1201242527. The next prime is 1201242541. The reversal of 1201242530 is 352421021.
It can be written as a sum of positive squares in 2 ways, for example, as 1164652129 + 36590401 = 34127^2 + 6049^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 60062117 + ... + 60062136.
Almost surely, 21201242530 is an apocalyptic number.
1201242530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1201242530 is a deficient number, since it is larger than the sum of its proper divisors (960994042).
1201242530 is a wasteful number, since it uses less digits than its factorization.
1201242530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120124260.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 1201242530 is about 34658.9458870289. The cubic root of 1201242530 is about 1063.0252163178.
Adding to 1201242530 its reverse (352421021), we get a palindrome (1553663551).
The spelling of 1201242530 in words is "one billion, two hundred one million, two hundred forty-two thousand, five hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •