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129519104 = 2911132961
BaseRepresentation
bin1111011100001…
…00111000000000
3100000201020210212
413232010320000
5231124102404
620504013252
73131615501
oct756047000
9300636725
10129519104
1167123690
1237461228
1320aaa930
14132b6ba8
15b58606e
hex7b84e00

129519104 has 160 divisors (see below), whose sum is σ = 319667040. Its totient is φ = 51609600.

The previous prime is 129519083. The next prime is 129519127. The reversal of 129519104 is 401915921.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123234 + ... + 2123294.

It is an arithmetic number, because the mean of its divisors is an integer number (1997919).

Almost surely, 2129519104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129519104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159833520).

129519104 is an abundant number, since it is smaller than the sum of its proper divisors (190147936).

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

129519104 is a wasteful number, since it uses less digits than its factorization.

129519104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 129519104 is about 11380.6460273571. The cubic root of 129519104 is about 505.9542835480.

The spelling of 129519104 in words is "one hundred twenty-nine million, five hundred nineteen thousand, one hundred four".

Divisors: 1 2 4 8 11 13 16 22 26 29 32 44 52 58 61 64 88 104 116 122 128 143 176 208 232 244 256 286 319 352 377 416 464 488 512 572 638 671 704 754 793 832 928 976 1144 1276 1342 1408 1508 1586 1664 1769 1856 1952 2288 2552 2684 2816 3016 3172 3328 3538 3712 3904 4147 4576 5104 5368 5632 6032 6344 6656 7076 7424 7808 8294 8723 9152 10208 10736 12064 12688 14152 14848 15616 16588 17446 18304 19459 20416 21472 22997 24128 25376 28304 31232 33176 34892 36608 38918 40832 42944 45994 48256 50752 56608 66352 69784 73216 77836 81664 85888 91988 96512 101504 113216 132704 139568 155672 163328 171776 183976 193024 203008 226432 252967 265408 279136 311344 343552 367952 406016 452864 505934 530816 558272 622688 735904 905728 1011868 1061632 1116544 1245376 1471808 2023736 2123264 2233088 2490752 2943616 4047472 4466176 4981504 5887232 8094944 9963008 11774464 16189888 32379776 64759552 129519104