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129050030 = 2512905003
BaseRepresentation
bin1111011000100…
…10010110101110
322222211102100202
413230102112232
5231014100110
620445553502
73124623104
oct754222656
9288742322
10129050030
116693321a
1237275892
1320975285
14131d3c74
15b4e20a5
hex7b125ae

129050030 has 8 divisors (see below), whose sum is σ = 232290072. Its totient is φ = 51620008.

The previous prime is 129050003. The next prime is 129050041. The reversal of 129050030 is 30050921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 129049984 and 129050011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6452492 + ... + 6452511.

It is an arithmetic number, because the mean of its divisors is an integer number (29036259).

Almost surely, 2129050030 is an apocalyptic number.

129050030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129050030 is a deficient number, since it is larger than the sum of its proper divisors (103240042).

129050030 is a wasteful number, since it uses less digits than its factorization.

129050030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12905010.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 129050030 is about 11360.0189260406. The cubic root of 129050030 is about 505.3427467694.

The spelling of 129050030 in words is "one hundred twenty-nine million, fifty thousand, thirty".

Divisors: 1 2 5 10 12905003 25810006 64525015 129050030