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25441330135 = 5132181397419
BaseRepresentation
bin10111101100011010…
…111110001111010111
32102200001100110221111
4113230122332033113
5404100440031020
615404303555451
71560313511104
oct275432761727
972601313844
1025441330135
11a875a70981
124b202bbb87
132525ab8c00
141334c29aab
159dd7ebd5a
hex5ec6be3d7

25441330135 has 48 divisors (see below), whose sum is σ = 33404585760. Its totient is φ = 18592104960.

The previous prime is 25441330121. The next prime is 25441330151. The reversal of 25441330135 is 53103314452.

It is not a de Polignac number, because 25441330135 - 27 = 25441330007 is a prime.

It is a super-2 number, since 2×254413301352 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25441330097 and 25441330106.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 60718956 + ... + 60719374.

It is an arithmetic number, because the mean of its divisors is an integer number (695928870).

Almost surely, 225441330135 is an apocalyptic number.

25441330135 is a deficient number, since it is larger than the sum of its proper divisors (7963255625).

25441330135 is a wasteful number, since it uses less digits than its factorization.

25441330135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 25441330135 its reverse (53103314452), we get a palindrome (78544644587).

The spelling of 25441330135 in words is "twenty-five billion, four hundred forty-one million, three hundred thirty thousand, one hundred thirty-five".

Divisors: 1 5 13 65 169 181 397 419 845 905 1985 2095 2353 5161 5447 11765 25805 27235 30589 67093 70811 71857 75839 152945 166343 335465 354055 359285 379195 831715 934141 985907 2162459 4670705 4929535 10812295 12143833 12816791 28111967 30108083 60719165 64083955 140559835 150540415 391405079 1957025395 5088266027 25441330135