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129050968 = 2337435983
BaseRepresentation
bin1111011000100…
…10100101011000
322222211110122111
413230102211120
5231014112333
620450002104
73124625614
oct754224530
9288743574
10129050968
11669339a2
1237276334
1320975827
14131d4344
15b4e24cd
hex7b12958

129050968 has 16 divisors (see below), whose sum is σ = 248510880. Its totient is φ = 62781408.

The previous prime is 129050963. The next prime is 129050981. The reversal of 129050968 is 869050921.

It is a self number, because there is not a number n which added to its sum of digits gives 129050968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129050963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217696 + ... + 218287.

It is an arithmetic number, because the mean of its divisors is an integer number (15531930).

Almost surely, 2129050968 is an apocalyptic number.

It is an amenable number.

129050968 is a deficient number, since it is larger than the sum of its proper divisors (119459912).

129050968 is a wasteful number, since it uses less digits than its factorization.

129050968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436026 (or 436022 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 129050968 is about 11360.0602111080. The cubic root of 129050968 is about 505.3439711275.

The spelling of 129050968 in words is "one hundred twenty-nine million, fifty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 37 74 148 296 435983 871966 1743932 3487864 16131371 32262742 64525484 129050968