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12145875058201 = 29418823277869
BaseRepresentation
bin1011000010111110111010…
…0100010111111000011001
31121000010121220201212021211
42300233232210113320121
53042444223003330301
641455423222503121
72362340051364253
oct260575644277031
947003556655254
1012145875058201
113963044912145
121441b50b94aa1
136a14744b3281
142ddc135b4cd3
15160e1e7ea051
hexb0bee917e19

12145875058201 has 4 divisors (see below), whose sum is σ = 12564698336100. Its totient is φ = 11727051780304.

The previous prime is 12145875058199. The next prime is 12145875058211. The reversal of 12145875058201 is 10285057854121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8097871896976 + 4048003161225 = 2845676^2 + 2011965^2 .

It is a cyclic number.

It is not a de Polignac number, because 12145875058201 - 21 = 12145875058199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12145875058211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209411638906 + ... + 209411638963.

It is an arithmetic number, because the mean of its divisors is an integer number (3141174584025).

Almost surely, 212145875058201 is an apocalyptic number.

It is an amenable number.

12145875058201 is a deficient number, since it is larger than the sum of its proper divisors (418823277899).

12145875058201 is an equidigital number, since it uses as much as digits as its factorization.

12145875058201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418823277898.

The product of its (nonzero) digits is 896000, while the sum is 49.

The spelling of 12145875058201 in words is "twelve trillion, one hundred forty-five billion, eight hundred seventy-five million, fifty-eight thousand, two hundred one".

Divisors: 1 29 418823277869 12145875058201