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164720752753 = 295680025957
BaseRepresentation
bin1001100101101000011…
…1110011100001110001
3120202011200011020100111
42121122013303201301
510144322003042003
6203401025221321
714620635203524
oct2313207634161
9522150136314
10164720752753
1163948630617
1227b10791841
13126c12b564b
147d88884bbb
154441133e6d
hex265a1f3871

164720752753 has 4 divisors (see below), whose sum is σ = 170400778740. Its totient is φ = 159040726768.

The previous prime is 164720752723. The next prime is 164720752831. The reversal of 164720752753 is 357257027461.

164720752753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357257027461 = 2063173173547.

It can be written as a sum of positive squares in 2 ways, for example, as 51217121344 + 113503631409 = 226312^2 + 336903^2 .

It is a de Polignac number, because none of the positive numbers 2k-164720752753 is a prime.

It is a super-3 number, since 3×1647207527533 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164720752697 and 164720752706.

It is not an unprimeable number, because it can be changed into a prime (164720752723) 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 3 ways as a sum of consecutive naturals, for example, 2840012950 + ... + 2840013007.

It is an arithmetic number, because the mean of its divisors is an integer number (42600194685).

Almost surely, 2164720752753 is an apocalyptic number.

It is an amenable number.

164720752753 is a deficient number, since it is larger than the sum of its proper divisors (5680025987).

164720752753 is an equidigital number, since it uses as much as digits as its factorization.

164720752753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680025986.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 164720752753 in words is "one hundred sixty-four billion, seven hundred twenty million, seven hundred fifty-two thousand, seven hundred fifty-three".

Divisors: 1 29 5680025957 164720752753