Base | Representation |
---|---|
bin | 100000111101100000… |
… | …1010000101111110111 |
3 | 20202201000110112120100 |
4 | 1001323001100233313 |
5 | 2124431022430142 |
6 | 52303434005143 |
7 | 5054036005245 |
oct | 1017301205767 |
9 | 222630415510 |
10 | 70783405047 |
11 | 28023428963 |
12 | 118752767b3 |
13 | 68a0839c34 |
14 | 35d6aa1795 |
15 | 1c942aab4c |
hex | 107b050bf7 |
70783405047 has 24 divisors (see below), whose sum is σ = 103500122544. Its totient is φ = 46608868224.
The previous prime is 70783405013. The next prime is 70783405061. The reversal of 70783405047 is 74050438707.
70783405047 is a `hidden beast` number, since 70 + 78 + 3 + 4 + 0 + 504 + 7 = 666.
It is not a de Polignac number, because 70783405047 - 26 = 70783404983 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70783404993 and 70783405011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70783401047) 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 23 ways as a sum of consecutive naturals, for example, 3873043 + ... + 3891275.
It is an arithmetic number, because the mean of its divisors is an integer number (4312505106).
Almost surely, 270783405047 is an apocalyptic number.
70783405047 is a deficient number, since it is larger than the sum of its proper divisors (32716717497).
70783405047 is a wasteful number, since it uses less digits than its factorization.
70783405047 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23519 (or 23516 counting only the distinct ones).
The product of its (nonzero) digits is 658560, while the sum is 45.
The spelling of 70783405047 in words is "seventy billion, seven hundred eighty-three million, four hundred five thousand, forty-seven".
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