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129095044 = 22132192232
BaseRepresentation
bin1111011000111…
…01010110000100
322222220201002221
413230131112010
5231022020134
620450542124
73125201251
oct754352604
9288821087
10129095044
1166964021
1237297944
132098c900
1413206428
15b5005b4
hex7b1d584

129095044 has 81 divisors (see below), whose sum is σ = 269897733. Its totient is φ = 53992224.

The previous prime is 129095027. The next prime is 129095047. The reversal of 129095044 is 440590921.

129095044 = T335 + T336 + ... + T932.

The square root of 129095044 is 11362.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19096900 + 109998144 = 4370^2 + 10488^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129095047) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5612817 + ... + 5612839.

Almost surely, 2129095044 is an apocalyptic number.

129095044 is the 11362-nd square number.

It is an amenable number.

129095044 is an abundant number, since it is smaller than the sum of its proper divisors (140802689).

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

129095044 is a wasteful number, since it uses less digits than its factorization.

129095044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The cubic root of 129095044 is about 505.4014962173.

The spelling of 129095044 in words is "one hundred twenty-nine million, ninety-five thousand, forty-four".

Divisors: 1 2 4 13 19 23 26 38 46 52 76 92 169 247 299 338 361 437 494 529 598 676 722 874 988 1058 1196 1444 1748 2116 3211 3887 4693 5681 6422 6877 7774 8303 9386 10051 11362 12844 13754 15548 16606 18772 20102 22724 27508 33212 40204 61009 73853 89401 107939 122018 130663 147706 178802 190969 215878 244036 261326 295412 357604 381938 431756 522652 763876 1403207 1698619 2482597 2806414 3397238 4965194 5612828 6794476 9930388 32273761 64547522 129095044