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129835002 = 231171103269
BaseRepresentation
bin1111011110100…
…01111111111010
3100001022022010210
413233101333322
5231214210002
620514451550
73134402463
oct757217772
9301268123
10129835002
1167319a60
1237593bb6
1320b8b65b
1413359d6a
15b5e996c
hex7bd1ffa

129835002 has 64 divisors (see below), whose sum is σ = 291133440. Its totient is φ = 38270400.

The previous prime is 129834997. The next prime is 129835003. The reversal of 129835002 is 200538921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (129835003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 482524 + ... + 482792.

It is an arithmetic number, because the mean of its divisors is an integer number (4548960).

Almost surely, 2129835002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129835002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145566720).

129835002 is an abundant number, since it is smaller than the sum of its proper divisors (161298438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129835002 is a wasteful number, since it uses less digits than its factorization.

129835002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 129835002 is about 11394.5163126830. The cubic root of 129835002 is about 506.3652915898.

The spelling of 129835002 in words is "one hundred twenty-nine million, eight hundred thirty-five thousand, two".

Divisors: 1 2 3 6 11 22 33 66 71 103 142 206 213 269 309 426 538 618 781 807 1133 1562 1614 2266 2343 2959 3399 4686 5918 6798 7313 8877 14626 17754 19099 21939 27707 38198 43878 55414 57297 80443 83121 114594 160886 166242 210089 241329 304777 420178 482658 609554 630267 914331 1260534 1828662 1967197 3934394 5901591 11803182 21639167 43278334 64917501 129835002