Base | Representation |
---|---|
bin | 1000011100111101110… |
… | …0101101110011100011 |
3 | 111212211020101101201110 |
4 | 2013033130231303203 |
5 | 4334344332112011 |
6 | 150413251034403 |
7 | 13330355312541 |
oct | 2071734556343 |
9 | 455736341643 |
10 | 145214332131 |
11 | 56648783040 |
12 | 24187b9ba03 |
13 | 10902c5551b |
14 | 7057d62d91 |
15 | 3b9d8b3ba6 |
hex | 21cf72dce3 |
145214332131 has 16 divisors (see below), whose sum is σ = 211239687168. Its totient is φ = 88000836000.
The previous prime is 145214332091. The next prime is 145214332157. The reversal of 145214332131 is 131233412541.
It is not a de Polignac number, because 145214332131 - 214 = 145214315747 is a prime.
It is a super-2 number, since 2×1452143321312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (145214332181) 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, 190705 + ... + 571661.
It is an arithmetic number, because the mean of its divisors is an integer number (13202480448).
Almost surely, 2145214332131 is an apocalyptic number.
145214332131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
145214332131 is a deficient number, since it is larger than the sum of its proper divisors (66025355037).
145214332131 is a wasteful number, since it uses less digits than its factorization.
145214332131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 392522.
The product of its digits is 8640, while the sum is 30.
Adding to 145214332131 its reverse (131233412541), we get a palindrome (276447744672).
The spelling of 145214332131 in words is "one hundred forty-five billion, two hundred fourteen million, three hundred thirty-two thousand, one hundred thirty-one".
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