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124433142401 = 140988313089
BaseRepresentation
bin111001111100011001…
…0110001001010000001
3102220011221220120121202
41303320302301022001
54014314341024101
6133055214030545
711663366154551
oct1637062611201
9386157816552
10124433142401
11488542a0677
12201484a8455
13b970782759
14604600b161
15338428936b
hex1cf8cb1281

124433142401 has 4 divisors (see below), whose sum is σ = 124521456900. Its totient is φ = 124344827904.

The previous prime is 124433142391. The next prime is 124433142409. The reversal of 124433142401 is 104241334421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56102659600 + 68330482801 = 236860^2 + 261401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124433142401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124433142409) 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 3 ways as a sum of consecutive naturals, for example, 44155136 + ... + 44157953.

It is an arithmetic number, because the mean of its divisors is an integer number (31130364225).

Almost surely, 2124433142401 is an apocalyptic number.

It is an amenable number.

124433142401 is a deficient number, since it is larger than the sum of its proper divisors (88314499).

124433142401 is an equidigital number, since it uses as much as digits as its factorization.

124433142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88314498.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 124433142401 its reverse (104241334421), we get a palindrome (228674476822).

The spelling of 124433142401 in words is "one hundred twenty-four billion, four hundred thirty-three million, one hundred forty-two thousand, four hundred one".

Divisors: 1 1409 88313089 124433142401