Base | Representation |
---|---|
bin | 1011110110100001111001… |
… | …1010111001101001111010 |
3 | 1201010210102112120011011200 |
4 | 2331220132122321221322 |
5 | 3202001342413110232 |
6 | 43414321133235030 |
7 | 2513330155045500 |
oct | 275503632715172 |
9 | 51123375504150 |
10 | 13031441144442 |
11 | 417466a884996 |
12 | 15656b7332a76 |
13 | 736b237a66b6 |
14 | 330a21a12670 |
15 | 178e9ea8177c |
hex | bda1e6b9a7a |
13031441144442 has 72 divisors (see below), whose sum is σ = 32845860171072. Its totient is φ = 3723120450000.
The previous prime is 13031441144437. The next prime is 13031441144473. The reversal of 13031441144442 is 24444114413031.
13031441144442 is a `hidden beast` number, since 1 + 3 + 0 + 31 + 4 + 41 + 144 + 442 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 13031441144397 and 13031441144406.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22871967 + ... + 23434797.
It is an arithmetic number, because the mean of its divisors is an integer number (456192502376).
Almost surely, 213031441144442 is an apocalyptic number.
13031441144442 is an abundant number, since it is smaller than the sum of its proper divisors (19814419026630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13031441144442 is a wasteful number, since it uses less digits than its factorization.
13031441144442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 589104 (or 589094 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 36.
Adding to 13031441144442 its reverse (24444114413031), we get a palindrome (37475555557473).
The spelling of 13031441144442 in words is "thirteen trillion, thirty-one billion, four hundred forty-one million, one hundred forty-four thousand, four hundred forty-two".
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