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421103104441 = 31611831121621
BaseRepresentation
bin1100010000010111011…
…00110111000110111001
31111020221101210011001121
412020023230313012321
523344404343320231
6521241352545241
742265220220565
oct6101354670671
91436841704047
10421103104441
111526527a7088
12697426b2221
133092c7129a6
141654ab946a5
15ae49410311
hex620bb371b9

421103104441 has 16 divisors (see below), whose sum is σ = 442058023936. Its totient is φ = 400616280000.

The previous prime is 421103104439. The next prime is 421103104459. The reversal of 421103104441 is 144401301124.

It is not a de Polignac number, because 421103104441 - 21 = 421103104439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421103104481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3401611 + ... + 3523231.

It is an arithmetic number, because the mean of its divisors is an integer number (27628626496).

Almost surely, 2421103104441 is an apocalyptic number.

It is an amenable number.

421103104441 is a deficient number, since it is larger than the sum of its proper divisors (20954919495).

421103104441 is a wasteful number, since it uses less digits than its factorization.

421103104441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123544.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 421103104441 its reverse (144401301124), we get a palindrome (565504405565).

The spelling of 421103104441 in words is "four hundred twenty-one billion, one hundred three million, one hundred four thousand, four hundred forty-one".

Divisors: 1 31 61 1831 1891 56761 111691 121621 3462421 3770251 7418881 222688051 229985311 6903329581 13583971111 421103104441