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445135405451 = 115919118891901
BaseRepresentation
bin1100111101001000010…
…00110100000110001011
31120112222020210112102012
412132210020310012023
524243114130433301
6540254204330135
744105604342242
oct6364410640613
91515866715365
10445135405451
11161865371580
127232ab4394b
1332c8c60b449
141778a7db959
15b8a4181ebb
hex67a423418b

445135405451 has 32 divisors (see below), whose sum is σ = 496942387200. Its totient is φ = 395309440000.

The previous prime is 445135405369. The next prime is 445135405453. The reversal of 445135405451 is 154504531544.

It is a de Polignac number, because none of the positive numbers 2k-445135405451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445135405399 and 445135405408.

It is not an unprimeable number, because it can be changed into a prime (445135405453) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 234157601 + ... + 234159501.

It is an arithmetic number, because the mean of its divisors is an integer number (15529449600).

Almost surely, 2445135405451 is an apocalyptic number.

445135405451 is a deficient number, since it is larger than the sum of its proper divisors (51806981749).

445135405451 is a wasteful number, since it uses less digits than its factorization.

445135405451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 445135405451 its reverse (154504531544), we get a palindrome (599639936995).

The spelling of 445135405451 in words is "four hundred forty-five billion, one hundred thirty-five million, four hundred five thousand, four hundred fifty-one".

Divisors: 1 11 59 191 649 1889 1901 2101 11269 20779 20911 111451 112159 123959 360799 363091 1225961 1233749 3590989 3968789 3994001 21287141 21422369 39500879 211868351 234158551 235646059 685878899 2330551861 7544667889 40466855041 445135405451