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129393607 = 723803687
BaseRepresentation
bin1111011011001…
…10001111000111
3100000110212122211
413231212033013
5231111043412
620501204251
73130553560
oct755461707
9300425584
10129393607
1167048372
1237400687
1320a65785
1413283167
15b55dca7
hex7b663c7

129393607 has 8 divisors (see below), whose sum is σ = 154308096. Its totient is φ = 106086552.

The previous prime is 129393601. The next prime is 129393611. The reversal of 129393607 is 706393921.

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 129393607 - 23 = 129393599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129393607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129393601) 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 7 ways as a sum of consecutive naturals, for example, 401683 + ... + 402004.

It is an arithmetic number, because the mean of its divisors is an integer number (19288512).

Almost surely, 2129393607 is an apocalyptic number.

129393607 is a deficient number, since it is larger than the sum of its proper divisors (24914489).

129393607 is an equidigital number, since it uses as much as digits as its factorization.

129393607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803717.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 129393607 is about 11375.1310761679. The cubic root of 129393607 is about 505.7908166365.

The spelling of 129393607 in words is "one hundred twenty-nine million, three hundred ninety-three thousand, six hundred seven".

Divisors: 1 7 23 161 803687 5625809 18484801 129393607