Base | Representation |
---|---|
bin | 101010001011100… |
… | …0001011000111001 |
3 | 10122122011202121200 |
4 | 1110113001120321 |
5 | 10344310234040 |
6 | 352235124413 |
7 | 50034013500 |
oct | 12427013071 |
9 | 3578152550 |
10 | 1415321145 |
11 | 666a037a7 |
12 | 335ba3709 |
13 | 1972b4344 |
14 | d5d7d837 |
15 | 843be630 |
hex | 545c1639 |
1415321145 has 108 divisors (see below), whose sum is σ = 3032856684. Its totient is φ = 608670720.
The previous prime is 1415321137. The next prime is 1415321161. The reversal of 1415321145 is 5411235141.
1415321145 is a `hidden beast` number, since 14 + 1 + 532 + 114 + 5 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 136328976 + 1278992169 = 11676^2 + 35763^2 .
It is not a de Polignac number, because 1415321145 - 23 = 1415321137 is a prime.
It is a super-2 number, since 2×14153211452 = 4006267886968222050, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 636135 + ... + 638355.
Almost surely, 21415321145 is an apocalyptic number.
1415321145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1415321145 is an abundant number, since it is smaller than the sum of its proper divisors (1617535539).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1415321145 is a wasteful number, since it uses less digits than its factorization.
1415321145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2280 (or 2253 counting only the distinct ones).
The product of its digits is 2400, while the sum is 27.
The square root of 1415321145 is about 37620.7541790432. The cubic root of 1415321145 is about 1122.7550014823.
Adding to 1415321145 its reverse (5411235141), we get a palindrome (6826556286).
The spelling of 1415321145 in words is "one billion, four hundred fifteen million, three hundred twenty-one thousand, one hundred forty-five".
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