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129351034 = 2233190709
BaseRepresentation
bin1111011010110…
…11110101111010
3100000101201021001
413231123311322
5231103213114
620500235214
73130315501
oct755336572
9300351231
10129351034
116701938a
123739bb0a
1320a4c297
1413271838
15b551374
hex7b5bd7a

129351034 has 16 divisors (see below), whose sum is σ = 208995840. Its totient is φ = 59867280.

The previous prime is 129351017. The next prime is 129351041. The reversal of 129351034 is 430153921.

It is a junction number, because it is equal to n+sod(n) for n = 129350993 and 129351011.

It is an unprimeable number.

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, 43929 + ... + 46780.

It is an arithmetic number, because the mean of its divisors is an integer number (13062240).

Almost surely, 2129351034 is an apocalyptic number.

129351034 is a deficient number, since it is larger than the sum of its proper divisors (79644806).

129351034 is a wasteful number, since it uses less digits than its factorization.

129351034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90765.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 129351034 is about 11373.2596031217. The cubic root of 129351034 is about 505.7353388970.

The spelling of 129351034 in words is "one hundred twenty-nine million, three hundred fifty-one thousand, thirty-four".

Divisors: 1 2 23 31 46 62 713 1426 90709 181418 2086307 2811979 4172614 5623958 64675517 129351034