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10105404425 = 52404216177
BaseRepresentation
bin10010110100101010…
…00011110000001001
3222002021002201210222
421122111003300021
5131143440420200
64350425515425
7505264343324
oct113225036011
928067081728
1010105404425
114316267a06
121b60342b75
13c507a3b5c
146bc15d7bb
153e227dd85
hex25a543c09

10105404425 has 6 divisors (see below), whose sum is σ = 12530701518. Its totient is φ = 8084323520.

The previous prime is 10105404383. The next prime is 10105404427. The reversal of 10105404425 is 52440450101.

It can be written as a sum of positive squares in 3 ways, for example, as 32672656 + 10072731769 = 5716^2 + 100363^2 .

It is not a de Polignac number, because 10105404425 - 212 = 10105400329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10105404394 and 10105404403.

It is not an unprimeable number, because it can be changed into a prime (10105404427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202108064 + ... + 202108113.

It is an arithmetic number, because the mean of its divisors is an integer number (2088450253).

Almost surely, 210105404425 is an apocalyptic number.

It is an amenable number.

10105404425 is a deficient number, since it is larger than the sum of its proper divisors (2425297093).

10105404425 is an equidigital number, since it uses as much as digits as its factorization.

10105404425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404216187 (or 404216182 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 10105404425 its reverse (52440450101), we get a palindrome (62545854526).

The spelling of 10105404425 in words is "ten billion, one hundred five million, four hundred four thousand, four hundred twenty-five".

Divisors: 1 5 25 404216177 2021080885 10105404425