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13124420320142 = 2192016117131069
BaseRepresentation
bin1011111011111100010001…
…1010010011101110001110
31201110200102102021200001202
42332333010122103232032
53210012303100221032
643525135255505502
72523131241023465
oct276770432235616
951420372250052
1013124420320142
11420004313285a
12157b725988292
1374282089b821
143353224559dc
1517b5e273bd62
hexbefc4693b8e

13124420320142 has 16 divisors (see below), whose sum is σ = 20723798000400. Its totient is φ = 6216521955840.

The previous prime is 13124420320139. The next prime is 13124420320171. The reversal of 13124420320142 is 24102302442131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7799417 + ... + 9331652.

It is an arithmetic number, because the mean of its divisors is an integer number (1295237375025).

Almost surely, 213124420320142 is an apocalyptic number.

13124420320142 is a deficient number, since it is larger than the sum of its proper divisors (7599377680258).

13124420320142 is a wasteful number, since it uses less digits than its factorization.

13124420320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17151251.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13124420320142 its reverse (24102302442131), we get a palindrome (37226722762273).

The spelling of 13124420320142 in words is "thirteen trillion, one hundred twenty-four billion, four hundred twenty million, three hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 19 38 20161 40322 383059 766118 17131069 34262138 325490311 650980622 345379482109 690758964218 6562210160071 13124420320142