Base | Representation |
---|---|
bin | 100111000010111… |
… | …0000100001100001 |
3 | 10101022020121200022 |
4 | 1032011300201201 |
5 | 10140343213241 |
6 | 334000403225 |
7 | 44315640521 |
oct | 11605604141 |
9 | 3338217608 |
10 | 1310132321 |
11 | 612598893 |
12 | 306916515 |
13 | 17b574b34 |
14 | c5ddb681 |
15 | 7a04254b |
hex | 4e170861 |
1310132321 has 8 divisors (see below), whose sum is σ = 1316090880. Its totient is φ = 1304186688.
The previous prime is 1310132311. The next prime is 1310132339. The reversal of 1310132321 is 1232310131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1310132321 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1310132321.
It is not an unprimeable number, because it can be changed into a prime (1310132311) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239600 + ... + 245006.
It is an arithmetic number, because the mean of its divisors is an integer number (164511360).
Almost surely, 21310132321 is an apocalyptic number.
It is an amenable number.
1310132321 is a deficient number, since it is larger than the sum of its proper divisors (5958559).
1310132321 is an equidigital number, since it uses as much as digits as its factorization.
1310132321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6463.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 1310132321 is about 36195.7500405780. The cubic root of 1310132321 is about 1094.2210207199.
Adding to 1310132321 its reverse (1232310131), we get a palindrome (2542442452).
The spelling of 1310132321 in words is "one billion, three hundred ten million, one hundred thirty-two thousand, three hundred twenty-one".
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