Base | Representation |
---|---|
bin | 101100010000101… |
… | …1100100011100001 |
3 | 10211111121002020201 |
4 | 1120201130203201 |
5 | 11020200201341 |
6 | 403212105201 |
7 | 51542450320 |
oct | 13041344341 |
9 | 3744532221 |
10 | 1485162721 |
11 | 6a2376809 |
12 | 355465201 |
13 | 1a88c8a13 |
14 | 1013600b7 |
15 | 8a5b8331 |
hex | 5885c8e1 |
1485162721 has 64 divisors (see below), whose sum is σ = 1994872320. Its totient is φ = 1074954240.
The previous prime is 1485162697. The next prime is 1485162743. The reversal of 1485162721 is 1272615841.
It is a 4-Lehmer number, since φ(1485162721) divides (1485162721-1)4.
It is a cyclic number.
It is not a de Polignac number, because 1485162721 - 25 = 1485162689 is a prime.
It is a super-3 number, since 3×14851627213 (a number of 28 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is not an unprimeable number, because it can be changed into a prime (1485162751) 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 63 ways as a sum of consecutive naturals, for example, 3429721 + ... + 3430153.
It is an arithmetic number, because the mean of its divisors is an integer number (31169880).
It is a Poulet number, since it divides 21485162720-1.
Almost surely, 21485162721 is an apocalyptic number.
It is an amenable number.
1485162721 is a deficient number, since it is larger than the sum of its proper divisors (509709599).
1485162721 is a wasteful number, since it uses less digits than its factorization.
1485162721 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 554.
The product of its digits is 26880, while the sum is 37.
The square root of 1485162721 is about 38537.8089802729. The cubic root of 1485162721 is about 1140.9274081022.
The spelling of 1485162721 in words is "one billion, four hundred eighty-five million, one hundred sixty-two thousand, seven hundred twenty-one".
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