Base | Representation |
---|---|
bin | 100110000000001… |
… | …0011111110101010 |
3 | 10021212102100022001 |
4 | 1030000103332222 |
5 | 10102414302000 |
6 | 330310521214 |
7 | 43412412133 |
oct | 11400237652 |
9 | 3255370261 |
10 | 1275150250 |
11 | 5a4875290 |
12 | 2b706620a |
13 | 17424729a |
14 | c14d2c8a |
15 | 76e3246a |
hex | 4c013faa |
1275150250 has 64 divisors (see below), whose sum is σ = 2630444544. Its totient is φ = 459000000.
The previous prime is 1275150241. The next prime is 1275150269. The reversal of 1275150250 is 520515721.
1275150250 is a nontrivial binomial coefficient, being equal to C(50501, 2).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275455 + ... + 280045.
It is an arithmetic number, because the mean of its divisors is an integer number (41100696).
Almost surely, 21275150250 is an apocalyptic number.
1275150250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1275150250 is the 50500-th triangular number.
1275150250 is the 16834-th centered nonagonal number.
1275150250 is an abundant number, since it is smaller than the sum of its proper divisors (1355294294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1275150250 is a wasteful number, since it uses less digits than its factorization.
1275150250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4720 (or 4710 counting only the distinct ones).
The product of its (nonzero) digits is 3500, while the sum is 28.
The square root of 1275150250 is about 35709.2460015610. The cubic root of 1275150250 is about 1084.3940354107.
Adding to 1275150250 its reverse (520515721), we get a palindrome (1795665971).
It can be divided in two parts, 12751 and 50250, that added together give a square (63001 = 2512).
The spelling of 1275150250 in words is "one billion, two hundred seventy-five million, one hundred fifty thousand, two hundred fifty".
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