Base | Representation |
---|---|
bin | 10111101111011100… |
… | …11010001110100010 |
3 | 1012220021222121002120 |
4 | 23313232122032202 |
5 | 202100443313434 |
6 | 5504440325110 |
7 | 630600555444 |
oct | 136756321642 |
9 | 35807877076 |
10 | 12746072994 |
11 | 545090a326 |
12 | 2578773796 |
13 | 12818b5a35 |
14 | 88cb4a494 |
15 | 4e8ee4349 |
hex | 2f7b9a3a2 |
12746072994 has 32 divisors (see below), whose sum is σ = 25639649280. Its totient is φ = 4224157392.
The previous prime is 12746072981. The next prime is 12746073049. The reversal of 12746072994 is 49927064721.
It is a super-2 number, since 2×127460729942 (a number of 21 digits) contains 22 as substring.
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, 1100767 + ... + 1112285.
It is an arithmetic number, because the mean of its divisors is an integer number (801239040).
Almost surely, 212746072994 is an apocalyptic number.
12746072994 is an abundant number, since it is smaller than the sum of its proper divisors (12893576286).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12746072994 is a wasteful number, since it uses less digits than its factorization.
12746072994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12574.
The product of its (nonzero) digits is 1524096, while the sum is 51.
It can be divided in two parts, 1274607 and 2994, that added together give a triangular number (1277601 = T1598).
The spelling of 12746072994 in words is "twelve billion, seven hundred forty-six million, seventy-two thousand, nine hundred ninety-four".
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