Base | Representation |
---|---|
bin | 101101000100101… |
… | …0111100000010100 |
3 | 10220101212010122110 |
4 | 1122021113200110 |
5 | 11044133430022 |
6 | 410024031020 |
7 | 52323142026 |
oct | 13211274024 |
9 | 3811763573 |
10 | 1512405012 |
11 | 7067932a8 |
12 | 362602470 |
13 | 1b1446711 |
14 | 104c12016 |
15 | 8cb9a00c |
hex | 5a257814 |
1512405012 has 12 divisors (see below), whose sum is σ = 3528945056. Its totient is φ = 504135000.
The previous prime is 1512404969. The next prime is 1512405019. The reversal of 1512405012 is 2105042151.
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 1512405012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1512405019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63016864 + ... + 63016887.
Almost surely, 21512405012 is an apocalyptic number.
1512405012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1512405012 is an abundant number, since it is smaller than the sum of its proper divisors (2016540044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1512405012 is a wasteful number, since it uses less digits than its factorization.
1512405012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126033758 (or 126033756 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 1512405012 is about 38889.6517341053. The cubic root of 1512405012 is about 1147.8611820070.
Adding to 1512405012 its reverse (2105042151), we get a palindrome (3617447163).
The spelling of 1512405012 in words is "one billion, five hundred twelve million, four hundred five thousand, twelve".
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