Base | Representation |
---|---|
bin | 100000101011000001… |
… | …1011011101000110101 |
3 | 20201002210110201102210 |
4 | 1001112003123220311 |
5 | 2122143240420244 |
6 | 52122121124033 |
7 | 5032465334550 |
oct | 1012603335065 |
9 | 221083421383 |
10 | 70163216949 |
11 | 27835341411 |
12 | 11721629619 |
13 | 68021c3427 |
14 | 3578581697 |
15 | 1c59b014b9 |
hex | 10560dba35 |
70163216949 has 16 divisors (see below), whose sum is σ = 110364262400. Its totient is φ = 38799935280.
The previous prime is 70163216939. The next prime is 70163216987. The reversal of 70163216949 is 94961236107.
It is not a de Polignac number, because 70163216949 - 212 = 70163212853 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a junction number, because it is equal to n+sod(n) for n = 70163216898 and 70163216907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70163216939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53888149 + ... + 53889450.
It is an arithmetic number, because the mean of its divisors is an integer number (6897766400).
Almost surely, 270163216949 is an apocalyptic number.
It is an amenable number.
70163216949 is a deficient number, since it is larger than the sum of its proper divisors (40201045451).
70163216949 is a wasteful number, since it uses less digits than its factorization.
70163216949 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107777640.
The product of its (nonzero) digits is 489888, while the sum is 48.
The spelling of 70163216949 in words is "seventy billion, one hundred sixty-three million, two hundred sixteen thousand, nine hundred forty-nine".
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