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135106112425 = 527457724721
BaseRepresentation
bin111110111010011110…
…0111010101110101001
3110220201202222122001211
41331310330322232221
54203144131044200
6142022240513121
712522025002334
oct1756474725651
9426652878054
10135106112425
1152330972a59
122222691b7a1
13c981a0712b
1467796ad61b
1537ab27aaba
hex1f74f3aba9

135106112425 has 12 divisors (see below), whose sum is σ = 167554276956. Its totient is φ = 108070246400.

The previous prime is 135106112389. The next prime is 135106112473. The reversal of 135106112425 is 524211601531.

It can be written as a sum of positive squares in 6 ways, for example, as 28697715216 + 106408397209 = 169404^2 + 326203^2 .

It is not a de Polignac number, because 135106112425 - 221 = 135104015273 is a prime.

It is a super-2 number, since 2×1351061124252 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175936 + ... + 548785.

It is an arithmetic number, because the mean of its divisors is an integer number (13962856413).

Almost surely, 2135106112425 is an apocalyptic number.

It is an amenable number.

135106112425 is a deficient number, since it is larger than the sum of its proper divisors (32448164531).

135106112425 is an equidigital number, since it uses as much as digits as its factorization.

135106112425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732188 (or 732183 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 135106112425 its reverse (524211601531), we get a palindrome (659317713956).

The spelling of 135106112425 in words is "one hundred thirty-five billion, one hundred six million, one hundred twelve thousand, four hundred twenty-five".

Divisors: 1 5 25 7457 37285 186425 724721 3623605 18118025 5404244497 27021222485 135106112425