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79966038301 = 522891529309
BaseRepresentation
bin100101001111001011…
…0001110100100011101
321122101222012122022021
41022132112032210131
52302232301211201
6100422541420141
75530430052622
oct1123626164435
9248358178267
1079966038301
1130a05820166
12135b856a651
1377050a3836
143c28458349
152130510ea1
hex129e58e91d

79966038301 has 4 divisors (see below), whose sum is σ = 79967619900. Its totient is φ = 79964456704.

The previous prime is 79966038281. The next prime is 79966038367. The reversal of 79966038301 is 10383066997.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10383066997 = 29358036793.

It can be written as a sum of positive squares in 2 ways, for example, as 50279092900 + 29686945401 = 224230^2 + 172299^2 .

It is a cyclic number.

It is not a de Polignac number, because 79966038301 - 223 = 79957649693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79966039301) 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, 712366 + ... + 816943.

It is an arithmetic number, because the mean of its divisors is an integer number (19991904975).

Almost surely, 279966038301 is an apocalyptic number.

It is an amenable number.

79966038301 is a deficient number, since it is larger than the sum of its proper divisors (1581599).

79966038301 is a wasteful number, since it uses less digits than its factorization.

79966038301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581598.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 79966038301 in words is "seventy-nine billion, nine hundred sixty-six million, thirty-eight thousand, three hundred one".

Divisors: 1 52289 1529309 79966038301