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43255454544025 = 5215735331219541
BaseRepresentation
bin10011101010111001100100…
…00000001011000010011001
312200011011212222222200121221
421311130302000023002121
521132144132330402100
6231555140445132041
712053050326101233
oct1165346200130231
9180134788880557
1043255454544025
1112867598471719
124a2724425a021
131b19c83243199
14a9780a3a7253
1550029106b01a
hex27573200b099

43255454544025 has 24 divisors (see below), whose sum is σ = 54131314117464. Its totient is φ = 34286547609600.

The previous prime is 43255454544023. The next prime is 43255454544061. The reversal of 43255454544025 is 52044545455234.

It can be written as a sum of positive squares in 12 ways, for example, as 14399133355161 + 28856321188864 = 3794619^2 + 5371808^2 .

It is not a de Polignac number, because 43255454544025 - 21 = 43255454544023 is a prime.

It is a super-3 number, since 3×432554545440253 (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43255454544023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14224246 + ... + 16995295.

It is an arithmetic number, because the mean of its divisors is an integer number (2255471421561).

Almost surely, 243255454544025 is an apocalyptic number.

It is an amenable number.

43255454544025 is a deficient number, since it is larger than the sum of its proper divisors (10875859573439).

43255454544025 is a wasteful number, since it uses less digits than its factorization.

43255454544025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31220061 (or 31220056 counting only the distinct ones).

The product of its (nonzero) digits is 38400000, while the sum is 52.

Adding to 43255454544025 its reverse (52044545455234), we get a palindrome (95299999999259).

The spelling of 43255454544025 in words is "forty-three trillion, two hundred fifty-five billion, four hundred fifty-four million, five hundred forty-four thousand, twenty-five".

Divisors: 1 5 25 157 353 785 1765 3925 8825 55421 277105 1385525 31219541 156097705 780488525 4901467937 11020497973 24507339685 55102489865 122536698425 275512449325 1730218181761 8651090908805 43255454544025