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79242055535 = 5103397387577
BaseRepresentation
bin100100111001100110…
…0011100111101101111
321120112111220111122202
41021303030130331233
52244241431234120
6100223040132115
75503456233656
oct1116314347557
9246474814582
1079242055535
11306740901a5
121343600703b
13761b0b8276
143b9a23a19d
1520dbba2875
hex127331cf6f

79242055535 has 16 divisors (see below), whose sum is σ = 96255771456. Its totient is φ = 62619879168.

The previous prime is 79242055523. The next prime is 79242055537. The reversal of 79242055535 is 53555024297.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 79242055535 - 226 = 79174946671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79242055535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79242055537) 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, 10667 + ... + 398243.

It is an arithmetic number, because the mean of its divisors is an integer number (6015985716).

Almost surely, 279242055535 is an apocalyptic number.

79242055535 is a deficient number, since it is larger than the sum of its proper divisors (17013715921).

79242055535 is a wasteful number, since it uses less digits than its factorization.

79242055535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388082.

The product of its (nonzero) digits is 1890000, while the sum is 47.

The spelling of 79242055535 in words is "seventy-nine billion, two hundred forty-two million, fifty-five thousand, five hundred thirty-five".

Divisors: 1 5 103 397 515 1985 40891 204455 387577 1937885 39920431 153868069 199602155 769340345 15848411107 79242055535