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229171430681472 = 2734156325854551
BaseRepresentation
bin110100000110111000100001…
…101101111110101110000000
31010001102120112000222022201110
4310012320201231332232000
5220014221042223301342
62131223522444403320
766162042456013116
oct6406704155765600
91101376460868643
10229171430681472
1167026070150864
1221852b60546540
139ab4a088bb356
144083d5661bab6
151b7641c852c9c
hexd06e21b7eb80

229171430681472 has 128 divisors (see below), whose sum is σ = 624691480331520. Its totient is φ = 74394916352000.

The previous prime is 229171430681461. The next prime is 229171430681503. The reversal of 229171430681472 is 274186034171922.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4063404 + ... + 21791147.

It is an arithmetic number, because the mean of its divisors is an integer number (4880402190090).

Almost surely, 2229171430681472 is an apocalyptic number.

It is an amenable number.

229171430681472 is an abundant number, since it is smaller than the sum of its proper divisors (395520049650048).

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

229171430681472 is a wasteful number, since it uses less digits than its factorization.

229171430681472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25855172 (or 25855160 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 229171430681472 in words is "two hundred twenty-nine trillion, one hundred seventy-one billion, four hundred thirty million, six hundred eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 64 82 96 123 128 164 192 246 328 384 492 563 656 984 1126 1312 1689 1968 2252 2624 3378 3936 4504 5248 6756 7872 9008 13512 15744 18016 23083 27024 36032 46166 54048 69249 72064 92332 108096 138498 184664 216192 276996 369328 553992 738656 1107984 1477312 2215968 2954624 4431936 8863872 25854551 51709102 77563653 103418204 155127306 206836408 310254612 413672816 620509224 827345632 1060036591 1241018448 1654691264 2120073182 2482036896 3180109773 3309382528 4240146364 4964073792 6360219546 8480292728 9928147584 12720439092 14556112213 16960585456 25440878184 29112224426 33921170912 43668336639 50881756368 58224448852 67842341824 87336673278 101763512736 116448897704 135684683648 174673346556 203527025472 232897795408 349346693112 407054050944 465795590816 596800600733 698693386224 931591181632 1193601201466 1397386772448 1790401802199 1863182363264 2387202402932 2794773544896 3580803604398 4774404805864 5589547089792 7161607208796 9548809611728 14323214417592 19097619223456 28646428835184 38195238446912 57292857670368 76390476893824 114585715340736 229171430681472