Base | Representation |
---|---|
bin | 101001001100011… |
… | …1100010010010101 |
3 | 10120022222121002221 |
4 | 1102120330102111 |
5 | 10312330120401 |
6 | 345054502341 |
7 | 46153046662 |
oct | 12230742225 |
9 | 3508877087 |
10 | 1382270101 |
11 | 64a289a93 |
12 | 326b049b1 |
13 | 1904b1704 |
14 | d1818a69 |
15 | 815417a1 |
hex | 5263c495 |
1382270101 has 4 divisors (see below), whose sum is σ = 1383535852. Its totient is φ = 1381004352.
The previous prime is 1382270069. The next prime is 1382270117. The reversal of 1382270101 is 1010722831.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010722831 = 97 ⋅10419823.
It can be written as a sum of positive squares in 2 ways, for example, as 853224100 + 529046001 = 29210^2 + 23001^2 .
It is a cyclic number.
It is not a de Polignac number, because 1382270101 - 25 = 1382270069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1382270171) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631236 + ... + 633421.
It is an arithmetic number, because the mean of its divisors is an integer number (345883963).
Almost surely, 21382270101 is an apocalyptic number.
It is an amenable number.
1382270101 is a deficient number, since it is larger than the sum of its proper divisors (1265751).
1382270101 is a wasteful number, since it uses less digits than its factorization.
1382270101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1265750.
The product of its (nonzero) digits is 672, while the sum is 25.
The square root of 1382270101 is about 37178.8932191371. The cubic root of 1382270101 is about 1113.9464267433.
Adding to 1382270101 its reverse (1010722831), we get a palindrome (2392992932).
The spelling of 1382270101 in words is "one billion, three hundred eighty-two million, two hundred seventy thousand, one hundred one".
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