Base | Representation |
---|---|
bin | 100000110101110000… |
… | …0100001000111010010 |
3 | 20202000212202212201100 |
4 | 1001223200201013102 |
5 | 2123412412204330 |
6 | 52221540045230 |
7 | 5044425665322 |
oct | 1015340410722 |
9 | 222025685640 |
10 | 70523163090 |
11 | 279aa53a266 |
12 | 11802093816 |
13 | 685b94c803 |
14 | 35b02bb282 |
15 | 1c7b502060 |
hex | 106b8211d2 |
70523163090 has 96 divisors (see below), whose sum is σ = 189764078400. Its totient is φ = 18149927040.
The previous prime is 70523163089. The next prime is 70523163097. The reversal of 70523163090 is 9036132507.
70523163090 is a `hidden beast` number, since 7 + 0 + 523 + 16 + 30 + 90 = 666.
It is not an unprimeable number, because it can be changed into a prime (70523163097) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8501845 + ... + 8510135.
It is an arithmetic number, because the mean of its divisors is an integer number (1976709150).
Almost surely, 270523163090 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70523163090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94882039200).
70523163090 is an abundant number, since it is smaller than the sum of its proper divisors (119240915310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70523163090 is a wasteful number, since it uses less digits than its factorization.
70523163090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11592 (or 11589 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 36.
Adding to 70523163090 its reverse (9036132507), we get a palindrome (79559295597).
The spelling of 70523163090 in words is "seventy billion, five hundred twenty-three million, one hundred sixty-three thousand, ninety".
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