Base | Representation |
---|---|
bin | 1001100011110111110… |
… | …0010010010010000111 |
3 | 120200221201112102122101 |
4 | 2120331330102102013 |
5 | 10142334440032301 |
6 | 203242100012531 |
7 | 14603134501111 |
oct | 2307574222207 |
9 | 520851472571 |
10 | 164247970951 |
11 | 63725774659 |
12 | 279ba391147 |
13 | 126473702bc |
14 | 7d41b763b1 |
15 | 4414895701 |
hex | 263df12487 |
164247970951 has 8 divisors (see below), whose sum is σ = 166707280880. Its totient is φ = 161788891968.
The previous prime is 164247970949. The next prime is 164247971003. The reversal of 164247970951 is 159079742461.
164247970951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 164247970951 - 21 = 164247970949 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 164247970892 and 164247970901.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (164247970351) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836955 + ... + 1924291.
It is an arithmetic number, because the mean of its divisors is an integer number (20838410110).
Almost surely, 2164247970951 is an apocalyptic number.
164247970951 is a deficient number, since it is larger than the sum of its proper divisors (2459309929).
164247970951 is an equidigital number, since it uses as much as digits as its factorization.
164247970951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115473.
The product of its (nonzero) digits is 3810240, while the sum is 55.
The spelling of 164247970951 in words is "one hundred sixty-four billion, two hundred forty-seven million, nine hundred seventy thousand, nine hundred fifty-one".
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