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154201344000001 = 201297660655969
BaseRepresentation
bin100011000011111011001100…
…010101010100000000000001
3202012222111121210102110020221
4203003323030111110000001
5130202413323031000001
61303543041450503041
744323452024422044
oct4303731425240001
9665874553373227
10154201344000001
1145151471738131
1215365306134a81
136807180255b8c
142a11556132c5b
1512c61e68411a1
hex8c3ecc554001

154201344000001 has 4 divisors (see below), whose sum is σ = 154209004676100. Its totient is φ = 154193683323904.

The previous prime is 154201343999977. The next prime is 154201344000017. The reversal of 154201344000001 is 100000443102451.

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 55794924160000 + 98406419840001 = 7469600^2 + 9920001^2 .

It is a cyclic number.

It is not a de Polignac number, because 154201344000001 - 27 = 154201343999873 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 154201344000001.

It is not an unprimeable number, because it can be changed into a prime (154201344070001) 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, 3830307856 + ... + 3830348113.

It is an arithmetic number, because the mean of its divisors is an integer number (38552251169025).

Almost surely, 2154201344000001 is an apocalyptic number.

It is an amenable number.

154201344000001 is a deficient number, since it is larger than the sum of its proper divisors (7660676099).

154201344000001 is an equidigital number, since it uses as much as digits as its factorization.

154201344000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7660676098.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 154201344000001 its reverse (100000443102451), we get a palindrome (254201787102452).

The spelling of 154201344000001 in words is "one hundred fifty-four trillion, two hundred one billion, three hundred forty-four million, one", and thus it is an aban number.

Divisors: 1 20129 7660655969 154201344000001