Base | Representation |
---|---|
bin | 101101000100001… |
… | …1000000101011010 |
3 | 10220101100221022100 |
4 | 1122020120011122 |
5 | 11044102121432 |
6 | 410014304230 |
7 | 52321010466 |
oct | 13210300532 |
9 | 3811327270 |
10 | 1512145242 |
11 | 706626113 |
12 | 3624b8076 |
13 | 1b13853ca |
14 | 104b854a6 |
15 | 8cb4807c |
hex | 5a21815a |
1512145242 has 12 divisors (see below), whose sum is σ = 3276314730. Its totient is φ = 504048408.
The previous prime is 1512145237. The next prime is 1512145247. The reversal of 1512145242 is 2425412151.
It is a happy number.
1512145242 is a `hidden beast` number, since 1 + 512 + 145 + 2 + 4 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (1512145237) and next prime (1512145247).
It can be written as a sum of positive squares in only one way, i.e., 1191699441 + 320445801 = 34521^2 + 17901^2 .
It is not an unprimeable number, because it can be changed into a prime (1512145247) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42004017 + ... + 42004052.
Almost surely, 21512145242 is an apocalyptic number.
1512145242 is an abundant number, since it is smaller than the sum of its proper divisors (1764169488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1512145242 is a wasteful number, since it uses less digits than its factorization.
1512145242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84008077 (or 84008074 counting only the distinct ones).
The product of its digits is 3200, while the sum is 27.
The square root of 1512145242 is about 38886.3117561951. The cubic root of 1512145242 is about 1147.7954595384.
Adding to 1512145242 its reverse (2425412151), we get a palindrome (3937557393).
The spelling of 1512145242 in words is "one billion, five hundred twelve million, one hundred forty-five thousand, two hundred forty-two".
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