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421422104121 = 3521392368729
BaseRepresentation
bin1100010000111101011…
…01101111111000111001
31111021202122001000100120
412020132231233320321
523401033024312441
6521333150123453
742306142532034
oct6103655577071
91437678030316
10421422104121
111527a6878287
12698114b0589
13309808337b5
141657b2b201b
15ae67423966
hex621eb6fe39

421422104121 has 16 divisors (see below), whose sum is σ = 563126333760. Its totient is φ = 280333264640.

The previous prime is 421422104111. The next prime is 421422104123. The reversal of 421422104121 is 121401224124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 421422104121 - 210 = 421422103097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421422104091 and 421422104100.

It is not an unprimeable number, because it can be changed into a prime (421422104123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6097285 + ... + 6166013.

It is an arithmetic number, because the mean of its divisors is an integer number (35195395860).

Almost surely, 2421422104121 is an apocalyptic number.

It is an amenable number.

421422104121 is a deficient number, since it is larger than the sum of its proper divisors (141704229639).

421422104121 is a wasteful number, since it uses less digits than its factorization.

421422104121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73176.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 421422104121 its reverse (121401224124), we get a palindrome (542823328245).

The spelling of 421422104121 in words is "four hundred twenty-one billion, four hundred twenty-two million, one hundred four thousand, one hundred twenty-one".

Divisors: 1 3 521 1563 3923 11769 68729 206187 2043883 6131649 35807809 107423427 269623867 808871601 140474034707 421422104121