Base | Representation |
---|---|
bin | 100101011010000… |
… | …1110000100111010 |
3 | 10020110212220222211 |
4 | 1022310032010322 |
5 | 10032313000010 |
6 | 324315205334 |
7 | 43051023226 |
oct | 11264160472 |
9 | 3213786884 |
10 | 1255203130 |
11 | 594590765 |
12 | 2b044684a |
13 | 170081c5c |
14 | bc9bd786 |
15 | 752e208a |
hex | 4ad0e13a |
1255203130 has 32 divisors (see below), whose sum is σ = 2276045568. Its totient is φ = 498388800.
The previous prime is 1255203121. The next prime is 1255203139. The reversal of 1255203130 is 313025521.
It is an interprime number because it is at equal distance from previous prime (1255203121) and next prime (1255203139).
It is not an unprimeable number, because it can be changed into a prime (1255203139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377375 + ... + 1378285.
It is an arithmetic number, because the mean of its divisors is an integer number (71126424).
Almost surely, 21255203130 is an apocalyptic number.
1255203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1255203130 is a deficient number, since it is larger than the sum of its proper divisors (1020842438).
1255203130 is a wasteful number, since it uses less digits than its factorization.
1255203130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1782.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 1255203130 is about 35428.8460156410. The cubic root of 1255203130 is about 1078.7099164852.
Adding to 1255203130 its reverse (313025521), we get a palindrome (1568228651).
The spelling of 1255203130 in words is "one billion, two hundred fifty-five million, two hundred three thousand, one hundred thirty".
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