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110401441421 = 215351277957
BaseRepresentation
bin110011011010001110…
…0000100111010001101
3101112222001210022110212
41212310130010322031
53302100232111141
6122415010012205
710655564524415
oct1466434047215
9345861708425
10110401441421
114290380aa87
1219491277065
13a5457245cb
1454b4641645
152d124932eb
hex19b4704e8d

110401441421 has 4 divisors (see below), whose sum is σ = 110452721532. Its totient is φ = 110350161312.

The previous prime is 110401441411. The next prime is 110401441441. The reversal of 110401441421 is 124144104011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124144104011 = 600720666573.

It can be written as a sum of positive squares in 2 ways, for example, as 4509122500 + 105892318921 = 67150^2 + 325411^2 .

It is a cyclic number.

It is not a de Polignac number, because 110401441421 - 222 = 110397247117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110401441411) 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, 25636826 + ... + 25641131.

It is an arithmetic number, because the mean of its divisors is an integer number (27613180383).

Almost surely, 2110401441421 is an apocalyptic number.

It is an amenable number.

110401441421 is a deficient number, since it is larger than the sum of its proper divisors (51280111).

110401441421 is an equidigital number, since it uses as much as digits as its factorization.

110401441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51280110.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 110401441421 its reverse (124144104011), we get a palindrome (234545545432).

The spelling of 110401441421 in words is "one hundred ten billion, four hundred one million, four hundred forty-one thousand, four hundred twenty-one".

Divisors: 1 2153 51277957 110401441421