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34723142266 = 217361571133
BaseRepresentation
bin100000010101101010…
…010001101001111010
310022121220201101112011
4200111222101221322
51032103111023031
623541313240134
72336320560631
oct402552215172
9108556641464
1034723142266
11137a934379a
12689086304a
133374a69637
14197583c518
15d835e36b1
hex815a91a7a

34723142266 has 4 divisors (see below), whose sum is σ = 52084713402. Its totient is φ = 17361571132.

The previous prime is 34723142261. The next prime is 34723142303. The reversal of 34723142266 is 66224132743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66224132743 = 80833819271.

It can be written as a sum of positive squares in only one way, i.e., 29078775625 + 5644366641 = 170525^2 + 75129^2 .

It is a super-2 number, since 2×347231422662 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (34723142261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8680785565 + ... + 8680785568.

Almost surely, 234723142266 is an apocalyptic number.

34723142266 is a deficient number, since it is larger than the sum of its proper divisors (17361571136).

34723142266 is a wasteful number, since it uses less digits than its factorization.

34723142266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17361571135.

The product of its digits is 290304, while the sum is 40.

The spelling of 34723142266 in words is "thirty-four billion, seven hundred twenty-three million, one hundred forty-two thousand, two hundred sixty-six".

Divisors: 1 2 17361571133 34723142266