Base | Representation |
---|---|
bin | 100000101000010001… |
… | …1110100101000100101 |
3 | 20200212101000212210202 |
4 | 1001100203310220211 |
5 | 2122001141412040 |
6 | 52105025400245 |
7 | 5030266023620 |
oct | 1012043645045 |
9 | 220771025722 |
10 | 70071044645 |
11 | 27798306a58 |
12 | 116b6799085 |
13 | 67b90907c4 |
14 | 356a22adb7 |
15 | 1c51996015 |
hex | 10508f4a25 |
70071044645 has 8 divisors (see below), whose sum is σ = 96097432704. Its totient is φ = 48048716304.
The previous prime is 70071044633. The next prime is 70071044647. The reversal of 70071044645 is 54644017007.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 70071044645 - 26 = 70071044581 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70071044599 and 70071044608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70071044647) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001014889 + ... + 1001014958.
It is an arithmetic number, because the mean of its divisors is an integer number (12012179088).
Almost surely, 270071044645 is an apocalyptic number.
It is an amenable number.
70071044645 is a deficient number, since it is larger than the sum of its proper divisors (26026388059).
70071044645 is a wasteful number, since it uses less digits than its factorization.
70071044645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2002029859.
The product of its (nonzero) digits is 94080, while the sum is 38.
The spelling of 70071044645 in words is "seventy billion, seventy-one million, forty-four thousand, six hundred forty-five".
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