Base | Representation |
---|---|
bin | 10001101010010001001… |
… | …111101010100000100111 |
3 | 11022000120002120212000220 |
4 | 101222101033222200213 |
5 | 124340442100030241 |
6 | 2325310032335423 |
7 | 153452401136451 |
oct | 21522117524047 |
9 | 4260502525026 |
10 | 1213617580071 |
11 | 4287685375a6 |
12 | 17725a0a4573 |
13 | 8a59c8cc0b0 |
14 | 42a4ccd52d1 |
15 | 2188047e166 |
hex | 11a913ea827 |
1213617580071 has 32 divisors (see below), whose sum is σ = 1797985244160. Its totient is φ = 723474820224.
The previous prime is 1213617580037. The next prime is 1213617580081. The reversal of 1213617580071 is 1700857163121.
It is not a de Polignac number, because 1213617580071 - 214 = 1213617563687 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1213617580081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3552781 + ... + 3879366.
It is an arithmetic number, because the mean of its divisors is an integer number (56187038880).
Almost surely, 21213617580071 is an apocalyptic number.
1213617580071 is a deficient number, since it is larger than the sum of its proper divisors (584367664089).
1213617580071 is a wasteful number, since it uses less digits than its factorization.
1213617580071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7432295.
The product of its (nonzero) digits is 70560, while the sum is 42.
The spelling of 1213617580071 in words is "one trillion, two hundred thirteen billion, six hundred seventeen million, five hundred eighty thousand, seventy-one".
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