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79887076341 = 3671260131541
BaseRepresentation
bin100101001100110100…
…1000000101111110101
321122012110121221212020
41022121221000233311
52302102042420331
6100411041143353
75525450642052
oct1123151005765
9248173557766
1079887076341
1130975198946
121359602ab59
1376c1917a97
143c1bb82029
152128614c96
hex1299a40bf5

79887076341 has 16 divisors (see below), whose sum is σ = 108117901248. Its totient is φ = 52457328000.

The previous prime is 79887076307. The next prime is 79887076361. The reversal of 79887076341 is 14367078897.

It is not a de Polignac number, because 79887076341 - 221 = 79884979189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79887076361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2517031 + ... + 2548571.

It is an arithmetic number, because the mean of its divisors is an integer number (6757368828).

Almost surely, 279887076341 is an apocalyptic number.

It is an amenable number.

79887076341 is a deficient number, since it is larger than the sum of its proper divisors (28230824907).

79887076341 is a wasteful number, since it uses less digits than its factorization.

79887076341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44212.

The product of its (nonzero) digits is 14224896, while the sum is 60.

The spelling of 79887076341 in words is "seventy-nine billion, eight hundred eighty-seven million, seventy-six thousand, three hundred forty-one".

Divisors: 1 3 67 201 12601 31541 37803 94623 844267 2113247 2532801 6339741 397448141 1192344423 26629025447 79887076341