Base | Representation |
---|---|
bin | 100000101000010011… |
… | …1100011101001100000 |
3 | 20200212102212121202010 |
4 | 1001100213203221200 |
5 | 2122001414224043 |
6 | 52105102352520 |
7 | 5030310242064 |
oct | 1012047435140 |
9 | 220772777663 |
10 | 70072023648 |
11 | 27798915550 |
12 | 116b6b8b740 |
13 | 67b93442b3 |
14 | 356a403aa4 |
15 | 1c51adb133 |
hex | 10509e3a60 |
70072023648 has 96 divisors (see below), whose sum is σ = 212464425600. Its totient is φ = 19984885760.
The previous prime is 70072023647. The next prime is 70072023673. The reversal of 70072023648 is 84632027007.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70072023647) 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, 1933698 + ... + 1969601.
It is an arithmetic number, because the mean of its divisors is an integer number (2213171100).
Almost surely, 270072023648 is an apocalyptic number.
It is an amenable number.
70072023648 is an abundant number, since it is smaller than the sum of its proper divisors (142392401952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70072023648 is a wasteful number, since it uses less digits than its factorization.
70072023648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3903340 (or 3903332 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 39.
The spelling of 70072023648 in words is "seventy billion, seventy-two million, twenty-three thousand, six hundred forty-eight".
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