Base | Representation |
---|---|
bin | 10101000010000010111… |
… | …010111111010110111111 |
3 | 12010011120211022100010220 |
4 | 111002002322333112333 |
5 | 142134441202412112 |
6 | 3023544133032423 |
7 | 206264006106660 |
oct | 25020272772677 |
9 | 5104524270126 |
10 | 1445305513407 |
11 | 507a50313058 |
12 | 1b4139a85713 |
13 | a63a3bc6482 |
14 | 4dd4b685367 |
15 | 278e07ea98c |
hex | 15082ebf5bf |
1445305513407 has 32 divisors (see below), whose sum is σ = 2273579986944. Its totient is φ = 799189113600.
The previous prime is 1445305513397. The next prime is 1445305513429. The reversal of 1445305513407 is 7043155035441.
It is a happy number.
It is not a de Polignac number, because 1445305513407 - 26 = 1445305513343 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1445305512407) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9796593 + ... + 9943029.
It is an arithmetic number, because the mean of its divisors is an integer number (71049374592).
Almost surely, 21445305513407 is an apocalyptic number.
1445305513407 is a deficient number, since it is larger than the sum of its proper divisors (828274473537).
1445305513407 is a wasteful number, since it uses less digits than its factorization.
1445305513407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161639.
The product of its (nonzero) digits is 504000, while the sum is 42.
The spelling of 1445305513407 in words is "one trillion, four hundred forty-five billion, three hundred five million, five hundred thirteen thousand, four hundred seven".
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