Base | Representation |
---|---|
bin | 1110101100011000010… |
… | …1110111100010001000 |
3 | 220010120101110101101101 |
4 | 3223012011313202020 |
5 | 13113434432430440 |
6 | 311544311431144 |
7 | 24144326413600 |
oct | 3530605674210 |
9 | 803511411341 |
10 | 252431530120 |
11 | 98068021880 |
12 | 40b0a9854b4 |
13 | 1aa5ba67103 |
14 | c30971bc00 |
15 | 687651c69a |
hex | 3ac6177888 |
252431530120 has 96 divisors (see below), whose sum is σ = 720764671680. Its totient is φ = 78679950720.
The previous prime is 252431530079. The next prime is 252431530147. The reversal of 252431530120 is 21035134252.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5832604 + ... + 5875723.
It is an arithmetic number, because the mean of its divisors is an integer number (7507965330).
Almost surely, 2252431530120 is an apocalyptic number.
252431530120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252431530120 is an abundant number, since it is smaller than the sum of its proper divisors (468333141560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252431530120 is a wasteful number, since it uses less digits than its factorization.
252431530120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11708363 (or 11708352 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 252431530120 its reverse (21035134252), we get a palindrome (273466664372).
The spelling of 252431530120 in words is "two hundred fifty-two billion, four hundred thirty-one million, five hundred thirty thousand, one hundred twenty".
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