Base | Representation |
---|---|
bin | 100000111111010010… |
… | …1011001100101101100 |
3 | 20202212011222221200000 |
4 | 1001332211121211230 |
5 | 2130041330210332 |
6 | 52313411504300 |
7 | 5055363231054 |
oct | 1017645314554 |
9 | 222764887600 |
10 | 70843210092 |
11 | 28054166316 |
12 | 118912b8090 |
13 | 68b0049235 |
14 | 36009cc564 |
15 | 1c99670b7c |
hex | 107e95996c |
70843210092 has 72 divisors (see below), whose sum is σ = 185906849856. Its totient is φ = 23589160848.
The previous prime is 70843210043. The next prime is 70843210099. The reversal of 70843210092 is 29001234807.
It is a super-2 number, since 2×708432100922 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (70843210099) 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, 882003 + ... + 958965.
Almost surely, 270843210092 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70843210092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92953424928).
70843210092 is an abundant number, since it is smaller than the sum of its proper divisors (115063639764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70843210092 is a wasteful number, since it uses less digits than its factorization.
70843210092 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77929 (or 77915 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
Adding to 70843210092 its reverse (29001234807), we get a palindrome (99844444899).
The spelling of 70843210092 in words is "seventy billion, eight hundred forty-three million, two hundred ten thousand, ninety-two".
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