Base | Representation |
---|---|
bin | 100111000011011… |
… | …1001011100100100 |
3 | 10101022210210101221 |
4 | 1032012321130210 |
5 | 10140432243022 |
6 | 334011030124 |
7 | 44321323402 |
oct | 11606713444 |
9 | 3338723357 |
10 | 1310431012 |
11 | 612782240 |
12 | 306a3b344 |
13 | 17b64aa87 |
14 | c6078472 |
15 | 7a0a0cc7 |
hex | 4e1b9724 |
1310431012 has 48 divisors (see below), whose sum is σ = 2568835584. Its totient is φ = 579744000.
The previous prime is 1310430991. The next prime is 1310431019. The reversal of 1310431012 is 2101340131.
It is a super-2 number, since 2×13104310122 = 3434458874422688288, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1310431019) 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, 1321837 + ... + 1322827.
It is an arithmetic number, because the mean of its divisors is an integer number (53517408).
Almost surely, 21310431012 is an apocalyptic number.
It is an amenable number.
1310431012 is a deficient number, since it is larger than the sum of its proper divisors (1258404572).
1310431012 is a wasteful number, since it uses less digits than its factorization.
1310431012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1780 (or 1778 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1310431012 is about 36199.8758561407. The cubic root of 1310431012 is about 1094.3041698622.
Adding to 1310431012 its reverse (2101340131), we get a palindrome (3411771143).
The spelling of 1310431012 in words is "one billion, three hundred ten million, four hundred thirty-one thousand, twelve".
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