Base | Representation |
---|---|
bin | 100000101111110111… |
… | …0011110111101010000 |
3 | 20201112002211102202020 |
4 | 1001133232132331100 |
5 | 2123011311411210 |
6 | 52150155251440 |
7 | 5036505603324 |
oct | 1013756367520 |
9 | 221462742666 |
10 | 70325497680 |
11 | 27908a01319 |
12 | 11767a49b80 |
13 | 6829a02029 |
14 | 3591d45984 |
15 | 1c68ea9770 |
hex | 105fb9ef50 |
70325497680 has 80 divisors (see below), whose sum is σ = 218320562304. Its totient is φ = 18726668800.
The previous prime is 70325497607. The next prime is 70325497687. The reversal of 70325497680 is 8679452307.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-3 number, since 3×703254976803 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70325497687) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40764 + ... + 377243.
Almost surely, 270325497680 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 70325497680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109160281152).
70325497680 is an abundant number, since it is smaller than the sum of its proper divisors (147995064624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70325497680 is a wasteful number, since it uses less digits than its factorization.
70325497680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 418724 (or 418718 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 51.
The spelling of 70325497680 in words is "seventy billion, three hundred twenty-five million, four hundred ninety-seven thousand, six hundred eighty".
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