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129950663 = 3173671117
BaseRepresentation
bin1111011111011…
…10001111000111
3100001112011210112
413233232033013
5231231410123
620521143235
73135363623
oct757561707
9301464715
10129950663
1167398947
123762ab1b
1320bcc1ab
141338a183
15b61dd78
hex7bee3c7

129950663 has 8 divisors (see below), whose sum is σ = 130832832. Its totient is φ = 129072096.

The previous prime is 129950659. The next prime is 129950677. The reversal of 129950663 is 366059921.

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 129950663 - 22 = 129950659 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 129950663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129950603) 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 7 ways as a sum of consecutive naturals, for example, 115781 + ... + 116897.

It is an arithmetic number, because the mean of its divisors is an integer number (16354104).

Almost surely, 2129950663 is an apocalyptic number.

129950663 is a deficient number, since it is larger than the sum of its proper divisors (882169).

129950663 is a wasteful number, since it uses less digits than its factorization.

129950663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 129950663 is about 11399.5904751004. The cubic root of 129950663 is about 506.5156088712.

The spelling of 129950663 in words is "one hundred twenty-nine million, nine hundred fifty thousand, six hundred sixty-three".

Divisors: 1 317 367 1117 116339 354089 409939 129950663