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4405052131225 = 52421418532269
BaseRepresentation
bin100000000011010000110…
…0100010100011110011001
3120121010012122201221002021
41000012201210110132121
51034133021321144400
613211353014534441
7633153204213514
oct100064144243631
916533178657067
104405052131225
1114491990a7a29
125b188b067421
1325c519018b25
141132c4493d7b
15798bb1a671a
hex401a1914799

4405052131225 has 12 divisors (see below), whose sum is σ = 5475239156140. Its totient is φ = 3515671051200.

The previous prime is 4405052131219. The next prime is 4405052131229. The reversal of 4405052131225 is 5221312505044.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1565621557504 + 2839430573721 = 1251248^2 + 1685061^2 .

It is not a de Polignac number, because 4405052131225 - 215 = 4405052098457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4405052131229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209255610 + ... + 209276659.

Almost surely, 24405052131225 is an apocalyptic number.

It is an amenable number.

4405052131225 is a deficient number, since it is larger than the sum of its proper divisors (1070187024915).

4405052131225 is a wasteful number, since it uses less digits than its factorization.

4405052131225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418532700 (or 418532695 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 4405052131225 its reverse (5221312505044), we get a palindrome (9626364636269).

The spelling of 4405052131225 in words is "four trillion, four hundred five billion, fifty-two million, one hundred thirty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 421 2105 10525 418532269 2092661345 10463306725 176202085249 881010426245 4405052131225