Base | Representation |
---|---|
bin | 1011101101111011… |
… | …0101010100110011 |
3 | 22010012122222222222 |
4 | 2323132311110303 |
5 | 22420212002011 |
6 | 1240041151255 |
7 | 140642434625 |
oct | 27336652463 |
9 | 8105588888 |
10 | 3145422131 |
11 | 1374566225 |
12 | 73948b52b |
13 | 3b186c837 |
14 | 21ba5cc15 |
15 | 13621bddb |
hex | bb7b5533 |
3145422131 has 4 divisors (see below), whose sum is σ = 3145613064. Its totient is φ = 3145231200.
The previous prime is 3145422083. The next prime is 3145422143. The reversal of 3145422131 is 1312245413.
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: 1312245413 = 10691 ⋅122743.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-3145422131 is a prime.
It is a super-2 number, since 2×31454221312 = 19787360764369162322, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3145422131.
It is not an unprimeable number, because it can be changed into a prime (3145422151) 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, 68150 + ... + 104571.
It is an arithmetic number, because the mean of its divisors is an integer number (786403266).
Almost surely, 23145422131 is an apocalyptic number.
3145422131 is a deficient number, since it is larger than the sum of its proper divisors (190933).
3145422131 is a wasteful number, since it uses less digits than its factorization.
3145422131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190932.
The product of its digits is 2880, while the sum is 26.
The square root of 3145422131 is about 56084.0630749948. The cubic root of 3145422131 is about 1465.1867391557.
Adding to 3145422131 its reverse (1312245413), we get a palindrome (4457667544).
The spelling of 3145422131 in words is "three billion, one hundred forty-five million, four hundred twenty-two thousand, one hundred thirty-one".
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