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401241222221153 = 694957740857997
BaseRepresentation
bin101101100111011010100000…
…0100001010000110101100001
31221121200021201122212000211212
41123032311000201100311201
5410042414010342034103
63541211401154515505
7150341502350504216
oct13316650041206541
91847607648760755
10401241222221153
111069364a0674656
12390032a1595b95
13142b6b6718c8a2
1471122707b5b0d
15315c311c7a7d8
hex16ced40850d61

401241222221153 has 4 divisors (see below), whose sum is σ = 401298963086100. Its totient is φ = 401183481356208.

The previous prime is 401241222221141. The next prime is 401241222221261. The reversal of 401241222221153 is 351122222142104.

It is a happy number.

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 161595249088144 + 239645973133009 = 12712012^2 + 15480503^2 .

It is a cyclic number.

It is not a de Polignac number, because 401241222221153 - 24 = 401241222221137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401241222221113) 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, 28870422050 + ... + 28870435947.

It is an arithmetic number, because the mean of its divisors is an integer number (100324740771525).

Almost surely, 2401241222221153 is an apocalyptic number.

It is an amenable number.

401241222221153 is a deficient number, since it is larger than the sum of its proper divisors (57740864947).

401241222221153 is an equidigital number, since it uses as much as digits as its factorization.

401241222221153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57740864946.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 401241222221153 its reverse (351122222142104), we get a palindrome (752363444363257).

The spelling of 401241222221153 in words is "four hundred one trillion, two hundred forty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred fifty-three".

Divisors: 1 6949 57740857997 401241222221153