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201135025 = 5271388411
BaseRepresentation
bin10111111110100…
…01001110110001
3112000110201101101
423333101032301
5402442310100
631543004401
74661422330
oct1377211661
9460421341
10201135025
11a35987a3
1257439701
1332893b10
141c9d9d17
15129d086a
hexbfd13b1

201135025 has 24 divisors (see below), whose sum is σ = 306966464. Its totient is φ = 127310400.

The previous prime is 201135017. The next prime is 201135031. The reversal of 201135025 is 520531102.

It is not a de Polignac number, because 201135025 - 23 = 201135017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201134993 and 201135011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41931 + ... + 46480.

Almost surely, 2201135025 is an apocalyptic number.

201135025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201135025 is a deficient number, since it is larger than the sum of its proper divisors (105831439).

201135025 is a wasteful number, since it uses less digits than its factorization.

201135025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88441 (or 88436 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 201135025 is about 14182.2080438837. The cubic root of 201135025 is about 585.9077392055.

Adding to 201135025 its reverse (520531102), we get a palindrome (721666127).

The spelling of 201135025 in words is "two hundred one million, one hundred thirty-five thousand, twenty-five".

Divisors: 1 5 7 13 25 35 65 91 175 325 455 2275 88411 442055 618877 1149343 2210275 3094385 5746715 8045401 15471925 28733575 40227005 201135025