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129024041 = 1943315683
BaseRepresentation
bin1111011000011…
…00000000101001
322222210002201012
413230030000221
5231012232131
620445233305
73124454246
oct754140051
9288702635
10129024041
1166915743
1237262835
13209664b3
14131c85cd
15b4d952b
hex7b0c029

129024041 has 8 divisors (see below), whose sum is σ = 136137120. Its totient is φ = 121943232.

The previous prime is 129024031. The next prime is 129024047. The reversal of 129024041 is 140420921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129024041 - 210 = 129023017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129023998 and 129024016.

It is not an unprimeable number, because it can be changed into a prime (129024047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (17017140).

Almost surely, 2129024041 is an apocalyptic number.

It is an amenable number.

129024041 is a deficient number, since it is larger than the sum of its proper divisors (7113079).

129024041 is a wasteful number, since it uses less digits than its factorization.

129024041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 129024041 is about 11358.8749883076. The cubic root of 129024041 is about 505.3088213366.

Adding to 129024041 its reverse (140420921), we get a palindrome (269444962).

The spelling of 129024041 in words is "one hundred twenty-nine million, twenty-four thousand, forty-one".

Divisors: 1 19 433 8227 15683 297977 6790739 129024041