Base | Representation |
---|---|
bin | 100111000010110… |
… | …1111101001110000 |
3 | 10101022020102210010 |
4 | 1032011233221300 |
5 | 10140343110002 |
6 | 334000334520 |
7 | 44315624232 |
oct | 11605575160 |
9 | 3338212703 |
10 | 1310128752 |
11 | 612596139 |
12 | 306914440 |
13 | 17b57331a |
14 | c5dda252 |
15 | 7a04146c |
hex | 4e16fa70 |
1310128752 has 20 divisors (see below), whose sum is σ = 3384499400. Its totient is φ = 436709568.
The previous prime is 1310128741. The next prime is 1310128777. The reversal of 1310128752 is 2578210131.
1310128752 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13647127 + ... + 13647222.
It is an arithmetic number, because the mean of its divisors is an integer number (169224970).
Almost surely, 21310128752 is an apocalyptic number.
1310128752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1310128752 is an abundant number, since it is smaller than the sum of its proper divisors (2074370648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310128752 is a wasteful number, since it uses less digits than its factorization.
1310128752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27294360 (or 27294354 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 1310128752 is about 36195.7007391762. The cubic root of 1310128752 is about 1094.2200271108.
Adding to 1310128752 its reverse (2578210131), we get a palindrome (3888338883).
The spelling of 1310128752 in words is "one billion, three hundred ten million, one hundred twenty-eight thousand, seven hundred fifty-two".
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