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129104476 = 22163198013
BaseRepresentation
bin1111011000111…
…11101001011100
322222221012001021
413230133221130
5231022320401
620451053524
73125240614
oct754375134
9288835037
10129104476
1166970116
12372a12a4
1320993ca7
1413209a44
15b5032a1
hex7b1fa5c

129104476 has 12 divisors (see below), whose sum is σ = 227320072. Its totient is φ = 64155888.

The previous prime is 129104471. The next prime is 129104489. The reversal of 129104476 is 674401921.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129104471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98355 + ... + 99658.

Almost surely, 2129104476 is an apocalyptic number.

It is an amenable number.

129104476 is a deficient number, since it is larger than the sum of its proper divisors (98215596).

129104476 is a wasteful number, since it uses less digits than its factorization.

129104476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198180 (or 198178 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 129104476 is about 11362.4150601886. The cubic root of 129104476 is about 505.4138045412.

The spelling of 129104476 in words is "one hundred twenty-nine million, one hundred four thousand, four hundred seventy-six".

Divisors: 1 2 4 163 326 652 198013 396026 792052 32276119 64552238 129104476