Base | Representation |
---|---|
bin | 10101111010111110000… |
… | …01010010000111001001 |
3 | 2200000011201222200012102 |
4 | 22331133001102013021 |
5 | 44320040120324044 |
6 | 1334004350123145 |
7 | 105263221451144 |
oct | 12753701220711 |
9 | 2600151880172 |
10 | 753213448649 |
11 | 2704883a0232 |
12 | 101b897b04b5 |
13 | 56048ba696c |
14 | 2865472105b |
15 | 148d5b0524e |
hex | af5f0521c9 |
753213448649 has 4 divisors (see below), whose sum is σ = 753365587200. Its totient is φ = 753061310100.
The previous prime is 753213448567. The next prime is 753213448681. The reversal of 753213448649 is 946844312357.
It is a happy number.
753213448649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 946844312357 = 4721 ⋅200560117.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-753213448649 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 753213448594 and 753213448603.
It is not an unprimeable number, because it can be changed into a prime (753213444649) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76061849 + ... + 76071750.
It is an arithmetic number, because the mean of its divisors is an integer number (188341396800).
Almost surely, 2753213448649 is an apocalyptic number.
It is an amenable number.
753213448649 is a deficient number, since it is larger than the sum of its proper divisors (152138551).
753213448649 is a wasteful number, since it uses less digits than its factorization.
753213448649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152138550.
The product of its digits is 17418240, while the sum is 56.
The spelling of 753213448649 in words is "seven hundred fifty-three billion, two hundred thirteen million, four hundred forty-eight thousand, six hundred forty-nine".
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