Base | Representation |
---|---|
bin | 100111100101100… |
… | …101011100110111 |
3 | 1201021202000221021 |
4 | 213211211130313 |
5 | 2330011223101 |
6 | 145523202011 |
7 | 22313205430 |
oct | 4745453467 |
9 | 1637660837 |
10 | 664164151 |
11 | 3109a33a2 |
12 | 166516307 |
13 | a77a3051 |
14 | 642ca487 |
15 | 3d4945a1 |
hex | 27965737 |
664164151 has 8 divisors (see below), whose sum is σ = 760329504. Its totient is φ = 568320000.
The previous prime is 664164113. The next prime is 664164187. The reversal of 664164151 is 151461466.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 664164151 - 213 = 664155959 is a prime.
It is a super-2 number, since 2×6641641512 = 882228038947101602, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (664164451) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75850 + ... + 84151.
It is an arithmetic number, because the mean of its divisors is an integer number (95041188).
Almost surely, 2664164151 is an apocalyptic number.
664164151 is a deficient number, since it is larger than the sum of its proper divisors (96165353).
664164151 is a wasteful number, since it uses less digits than its factorization.
664164151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160601.
The product of its digits is 17280, while the sum is 34.
The square root of 664164151 is about 25771.3824037439. The cubic root of 664164151 is about 872.4860197594.
It can be divided in two parts, 66416 and 4151, that multiplied together give a square (275692816 = 166042).
The spelling of 664164151 in words is "six hundred sixty-four million, one hundred sixty-four thousand, one hundred fifty-one".
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