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401154422222441 = 232878818629009
BaseRepresentation
bin101101100110110010000101…
…0110101100010111001101001
31221121100222200102100020020202
41123031210022311202321221
5410040003224042104231
63541103444125401545
7150332310355624406
oct13315441265427151
91847328612306222
10401154422222441
111069026a92a7928
1238baa4b84092b5
13142ab9133098c4
14710bd988a32ad
153159e317ec5cb
hex16cd90ad62e69

401154422222441 has 12 divisors (see below), whose sum is σ = 419359065221460. Its totient is φ = 383708514858240.

The previous prime is 401154422222383. The next prime is 401154422222459. The reversal of 401154422222441 is 144222224451104.

It can be written as a sum of positive squares in 2 ways, for example, as 98827874970841 + 302326547251600 = 9941221^2 + 17387540^2 .

It is a de Polignac number, because none of the positive numbers 2k-401154422222441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401154422222395 and 401154422222404.

It is not an unprimeable number, because it can be changed into a prime (401154422222461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42174545 + ... + 50803553.

It is an arithmetic number, because the mean of its divisors is an integer number (34946588768455).

Almost surely, 2401154422222441 is an apocalyptic number.

It is an amenable number.

401154422222441 is a deficient number, since it is larger than the sum of its proper divisors (18204642999019).

401154422222441 is an equidigital number, since it uses as much as digits as its factorization.

401154422222441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8716936 (or 8716913 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 38.

Adding to 401154422222441 its reverse (144222224451104), we get a palindrome (545376646673545).

The spelling of 401154422222441 in words is "four hundred one trillion, one hundred fifty-four billion, four hundred twenty-two million, two hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 23 529 87881 2021263 8629009 46489049 198467207 4564745761 758325939929 17441496618367 401154422222441