Base | Representation |
---|---|
bin | 100111000010111… |
… | …0110100110101110 |
3 | 10101022021212211212 |
4 | 1032011312212232 |
5 | 10140400012410 |
6 | 334001114422 |
7 | 44316103244 |
oct | 11605664656 |
9 | 3338255755 |
10 | 1310157230 |
11 | 612605578 |
12 | 306928a12 |
13 | 17b583285 |
14 | c6006794 |
15 | 7a049b05 |
hex | 4e1769ae |
1310157230 has 16 divisors (see below), whose sum is σ = 2361108960. Its totient is φ = 523434912.
The previous prime is 1310157229. The next prime is 1310157253. The reversal of 1310157230 is 327510131.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1310157196 and 1310157205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69689 + ... + 86468.
It is an arithmetic number, because the mean of its divisors is an integer number (147569310).
Almost surely, 21310157230 is an apocalyptic number.
1310157230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1310157230 is a deficient number, since it is larger than the sum of its proper divisors (1050951730).
1310157230 is a wasteful number, since it uses less digits than its factorization.
1310157230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 157003.
The product of its (nonzero) digits is 630, while the sum is 23.
The square root of 1310157230 is about 36196.0941263004. The cubic root of 1310157230 is about 1094.2279553321.
Adding to 1310157230 its reverse (327510131), we get a palindrome (1637667361).
The spelling of 1310157230 in words is "one billion, three hundred ten million, one hundred fifty-seven thousand, two hundred thirty".
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