Base | Representation |
---|---|
bin | 101101010000101… |
… | …0010010001000100 |
3 | 10220211122200110200 |
4 | 1122201102101010 |
5 | 11102240100022 |
6 | 410410250500 |
7 | 52430344641 |
oct | 13241222104 |
9 | 3824580420 |
10 | 1518675012 |
11 | 70a286018 |
12 | 364726a30 |
13 | 1b283058a |
14 | 1059a4dc8 |
15 | 8d4d7bac |
hex | 5a852444 |
1518675012 has 18 divisors (see below), whose sum is σ = 3838873038. Its totient is φ = 506224992.
The previous prime is 1518675007. The next prime is 1518675013. The reversal of 1518675012 is 2105768151.
It can be written as a sum of positive squares in only one way, i.e., 1502802756 + 15872256 = 38766^2 + 3984^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 42185417 = 1518675012 / (1 + 5 + 1 + 8 + 6 + 7 + 5 + 0 + 1 + 2).
It is not an unprimeable number, because it can be changed into a prime (1518675013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21092673 + ... + 21092744.
Almost surely, 21518675012 is an apocalyptic number.
1518675012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1518675012 is an abundant number, since it is smaller than the sum of its proper divisors (2320198026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1518675012 is a wasteful number, since it uses less digits than its factorization.
1518675012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42185427 (or 42185422 counting only the distinct ones).
The product of its (nonzero) digits is 16800, while the sum is 36.
The square root of 1518675012 is about 38970.1810619350. The cubic root of 1518675012 is about 1149.4452300858.
The spelling of 1518675012 in words is "one billion, five hundred eighteen million, six hundred seventy-five thousand, twelve".
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