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129304151 = 1633492273
BaseRepresentation
bin1111011010100…
…00011001010111
3100000022022221122
413231100121113
5231100213101
620455234155
73130032014
oct755203127
9300268848
10129304151
1166a97139
123737895b
1320a33b42
141325c70b
15b54251b
hex7b50657

129304151 has 8 divisors (see below), whose sum is σ = 130527600. Its totient is φ = 128086272.

The previous prime is 129304129. The next prime is 129304181. The reversal of 129304151 is 151403921.

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 129304151 - 218 = 129042007 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 129304151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129304111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55751 + ... + 58023.

It is an arithmetic number, because the mean of its divisors is an integer number (16315950).

Almost surely, 2129304151 is an apocalyptic number.

129304151 is a deficient number, since it is larger than the sum of its proper divisors (1223449).

129304151 is a wasteful number, since it uses less digits than its factorization.

129304151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 129304151 is about 11371.1983097649. The cubic root of 129304151 is about 505.6742306235.

The spelling of 129304151 in words is "one hundred twenty-nine million, three hundred four thousand, one hundred fifty-one".

Divisors: 1 163 349 2273 56887 370499 793277 129304151