Base | Representation |
---|---|
bin | 10111010101001010… |
… | …00101100000100110 |
3 | 1012022220222121011110 |
4 | 23222211011200212 |
5 | 201123013300110 |
6 | 5430521245450 |
7 | 622252130454 |
oct | 135245054046 |
9 | 35286877143 |
10 | 12525525030 |
11 | 5348372387 |
12 | 2516933886 |
13 | 1247cb5a95 |
14 | 86b7399d4 |
15 | 4d497ba20 |
hex | 2ea945826 |
12525525030 has 64 divisors (see below), whose sum is σ = 32062080960. Its totient is φ = 3120697344.
The previous prime is 12525525029. The next prime is 12525525031. The reversal of 12525525030 is 3052552521.
It is an interprime number because it is at equal distance from previous prime (12525525029) and next prime (12525525031).
It is a super-3 number, since 3×125255250303 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12525525031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19765 + ... + 159504.
It is an arithmetic number, because the mean of its divisors is an integer number (500970015).
Almost surely, 212525525030 is an apocalyptic number.
12525525030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12525525030 is an abundant number, since it is smaller than the sum of its proper divisors (19536555930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12525525030 is a wasteful number, since it uses less digits than its factorization.
12525525030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179433.
The product of its (nonzero) digits is 15000, while the sum is 30.
The spelling of 12525525030 in words is "twelve billion, five hundred twenty-five million, five hundred twenty-five thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •