Base | Representation |
---|---|
bin | 111100010001011… |
… | …101100000001100 |
3 | 2121110202210200120 |
4 | 330101131200030 |
5 | 4032332212002 |
6 | 244201424540 |
7 | 34026100563 |
oct | 7421354014 |
9 | 2543683616 |
10 | 1011210252 |
11 | 479890258 |
12 | 24279b150 |
13 | 131663880 |
14 | 98428bda |
15 | 5db97cbc |
hex | 3c45d80c |
1011210252 has 48 divisors (see below), whose sum is σ = 2690466912. Its totient is φ = 292838400.
The previous prime is 1011210227. The next prime is 1011210281. The reversal of 1011210252 is 2520121101.
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 15 ways as a sum of consecutive naturals, for example, 187999 + ... + 193302.
It is an arithmetic number, because the mean of its divisors is an integer number (56051394).
Almost surely, 21011210252 is an apocalyptic number.
1011210252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1011210252 is an abundant number, since it is smaller than the sum of its proper divisors (1679256660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1011210252 is a wasteful number, since it uses less digits than its factorization.
1011210252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 381338 (or 381336 counting only the distinct ones).
The product of its (nonzero) digits is 40, while the sum is 15.
The square root of 1011210252 is about 31799.5322607110. The cubic root of 1011210252 is about 1003.7228736788.
Adding to 1011210252 its reverse (2520121101), we get a palindrome (3531331353).
The spelling of 1011210252 in words is "one billion, eleven million, two hundred ten thousand, two hundred fifty-two".
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