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129484705884 = 22317323471039
BaseRepresentation
bin111100010010111100…
…0111101000001011100
3110101020000022120222120
41320211320331001130
54110141041042014
6135252350342540
712232515561102
oct1704570750134
9411200276876
10129484705884
114aa06817026
12211181baa50
13c2971c6281
1463a4c91c72
15357c9c8ba9
hex1e25e3d05c

129484705884 has 72 divisors (see below), whose sum is σ = 305056577280. Its totient is φ = 42747231552.

The previous prime is 129484705877. The next prime is 129484705951. The reversal of 129484705884 is 488507484921.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 124623837 + ... + 124624875.

Almost surely, 2129484705884 is an apocalyptic number.

It is an amenable number.

129484705884 is an abundant number, since it is smaller than the sum of its proper divisors (175571871396).

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

129484705884 is a wasteful number, since it uses less digits than its factorization.

129484705884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 129484705884 in words is "one hundred twenty-nine billion, four hundred eighty-four million, seven hundred five thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 173 346 347 519 692 694 1038 1039 1041 1388 2076 2078 2082 3117 4156 4164 6234 12468 29929 59858 60031 89787 119716 120062 179574 179747 180093 240124 359148 359494 360186 360533 539241 718988 720372 721066 1078482 1081599 1442132 2156964 2163198 4326396 10385363 20770726 31096231 31156089 41541452 62192462 62312178 62372209 93288693 124384924 124624356 124744418 186577386 187116627 249488836 373154772 374233254 748466508 10790392157 21580784314 32371176471 43161568628 64742352942 129484705884