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1641970134 = 232713031509
BaseRepresentation
bin110000111011110…
…0111100111010110
311020102122201120200
41201313213213112
511330321021014
6430533041330
755455341640
oct14167474726
94212581520
101641970134
11772938512
12399a86246
1320223c27c
141180db890
159923ea09
hex61de79d6

1641970134 has 24 divisors (see below), whose sum is σ = 4065831120. Its totient is φ = 469134288.

The previous prime is 1641970133. The next prime is 1641970151. The reversal of 1641970134 is 4310791461.

1641970134 is a `hidden beast` number, since 1 + 641 + 9 + 7 + 0 + 1 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641970133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6515629 + ... + 6515880.

It is an arithmetic number, because the mean of its divisors is an integer number (169409630).

Almost surely, 21641970134 is an apocalyptic number.

1641970134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1641970134 is an abundant number, since it is smaller than the sum of its proper divisors (2423860986).

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

1641970134 is a wasteful number, since it uses less digits than its factorization.

1641970134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13031524 (or 13031521 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 1641970134 is about 40521.2306575208. The cubic root of 1641970134 is about 1179.7457400081.

The spelling of 1641970134 in words is "one billion, six hundred forty-one million, nine hundred seventy thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 13031509 26063018 39094527 78189054 91220563 117283581 182441126 234567162 273661689 547323378 820985067 1641970134