Base | Representation |
---|---|
bin | 100111000111000… |
… | …0010000011111110 |
3 | 10101110022210222020 |
4 | 1032032002003332 |
5 | 10141422120220 |
6 | 334115101010 |
7 | 44343243225 |
oct | 11616020376 |
9 | 3343283866 |
10 | 1312301310 |
11 | 61383a441 |
12 | 3075a1766 |
13 | 17bb54168 |
14 | c6403cbc |
15 | 7a320040 |
hex | 4e3820fe |
1312301310 has 32 divisors (see below), whose sum is σ = 3315288960. Its totient is φ = 331528608.
The previous prime is 1312301293. The next prime is 1312301339. The reversal of 1312301310 is 131032131.
It is a super-2 number, since 2×13123013102 = 3444269456455432200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1312301310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150572 + ... + 1151711.
It is an arithmetic number, because the mean of its divisors is an integer number (103602780).
Almost surely, 21312301310 is an apocalyptic number.
1312301310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1312301310 is an abundant number, since it is smaller than the sum of its proper divisors (2002987650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312301310 is a wasteful number, since it uses less digits than its factorization.
1312301310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2302312.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 1312301310 is about 36225.6995791662. The cubic root of 1312301310 is about 1094.8245335071.
Adding to 1312301310 its reverse (131032131), we get a palindrome (1443333441).
The spelling of 1312301310 in words is "one billion, three hundred twelve million, three hundred one thousand, three hundred ten".
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