Base | Representation |
---|---|
bin | 10101000001110001111… |
… | …100011001101000001010 |
3 | 12010010211222022211002122 |
4 | 111001301330121220022 |
5 | 142133400242423344 |
6 | 3023455555531242 |
7 | 206253650016053 |
oct | 25016174315012 |
9 | 5103758284078 |
10 | 1445020670474 |
11 | 507914551377 |
12 | 1b407a5b9b22 |
13 | a6359ba4664 |
14 | 4dd218d972a |
15 | 278c57d2aee |
hex | 15071f19a0a |
1445020670474 has 16 divisors (see below), whose sum is σ = 2169403922400. Its totient is φ = 721886198544.
The previous prime is 1445020670459. The next prime is 1445020670531. The reversal of 1445020670474 is 4740760205441.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18878909 + ... + 18955295.
It is an arithmetic number, because the mean of its divisors is an integer number (135587745150).
Almost surely, 21445020670474 is an apocalyptic number.
1445020670474 is a deficient number, since it is larger than the sum of its proper divisors (724383251926).
1445020670474 is a wasteful number, since it uses less digits than its factorization.
1445020670474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84437.
The product of its (nonzero) digits is 752640, while the sum is 44.
The spelling of 1445020670474 in words is "one trillion, four hundred forty-five billion, twenty million, six hundred seventy thousand, four hundred seventy-four".
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