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164280347795 = 532856069559
BaseRepresentation
bin1001100011111111011…
…1110010110010010011
3120201000222110100022202
42120333313302302103
510142421232112140
6203245213553415
714604006626204
oct2307767626223
9521028410282
10164280347795
1163741a78883
1227a091a586b
1312650c980b5
147d461a35ab
15441763d915
hex263fdf2c93

164280347795 has 4 divisors (see below), whose sum is σ = 197136417360. Its totient is φ = 131424278232.

The previous prime is 164280347783. The next prime is 164280347813. The reversal of 164280347795 is 597743082461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 597743082461 = 785391868923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164280347795 is a prime.

It is a super-2 number, since 2×1642803477952 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164280347795.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16428034775 + ... + 16428034784.

It is an arithmetic number, because the mean of its divisors is an integer number (49284104340).

It is a 1-persistent number, because it is pandigital, but 2⋅164280347795 = 328560695590 is not.

Almost surely, 2164280347795 is an apocalyptic number.

164280347795 is a deficient number, since it is larger than the sum of its proper divisors (32856069565).

164280347795 is an equidigital number, since it uses as much as digits as its factorization.

164280347795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32856069564.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 164280347795 in words is "one hundred sixty-four billion, two hundred eighty million, three hundred forty-seven thousand, seven hundred ninety-five".

Divisors: 1 5 32856069559 164280347795