Base | Representation |
---|---|
bin | 101101000100001… |
… | …0100100010010001 |
3 | 10220101100012100221 |
4 | 1122020110202101 |
5 | 11044101140310 |
6 | 410014113041 |
7 | 52320620221 |
oct | 13210244221 |
9 | 3811305327 |
10 | 1512130705 |
11 | 7066161a8 |
12 | 3624ab781 |
13 | 1b137b8c7 |
14 | 104b80081 |
15 | 8cb43ada |
hex | 5a214891 |
1512130705 has 32 divisors (see below), whose sum is σ = 1975242240. Its totient is φ = 1107025920.
The previous prime is 1512130703. The next prime is 1512130709. The reversal of 1512130705 is 5070312151.
It is not a de Polignac number, because 1512130705 - 21 = 1512130703 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1512130705.
It is not an unprimeable number, because it can be changed into a prime (1512130703) 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 31 ways as a sum of consecutive naturals, for example, 448225 + ... + 451585.
It is an arithmetic number, because the mean of its divisors is an integer number (61726320).
Almost surely, 21512130705 is an apocalyptic number.
It is an amenable number.
1512130705 is a deficient number, since it is larger than the sum of its proper divisors (463111535).
1512130705 is a wasteful number, since it uses less digits than its factorization.
1512130705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3529.
The product of its (nonzero) digits is 1050, while the sum is 25.
The square root of 1512130705 is about 38886.1248390734. The cubic root of 1512130705 is about 1147.7917814182.
Adding to 1512130705 its reverse (5070312151), we get a palindrome (6582442856).
The spelling of 1512130705 in words is "one billion, five hundred twelve million, one hundred thirty thousand, seven hundred five".
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