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164159629340 = 22578391397579
BaseRepresentation
bin1001100011100010101…
…1010010100000011100
3120200201120022012201212
42120320223102200130
510142144331114330
6203225222323552
714601012553310
oct2307053224034
9520646265655
10164159629340
116368a916263
12279948895b8
1312631c7c165
147d3413bb40
15440bc45295
hex2638ad281c

164159629340 has 48 divisors (see below), whose sum is σ = 394452979200. Its totient is φ = 56216177472.

The previous prime is 164159629273. The next prime is 164159629369. The reversal of 164159629340 is 43926951461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581330 + ... + 816249.

It is an arithmetic number, because the mean of its divisors is an integer number (8217770400).

Almost surely, 2164159629340 is an apocalyptic number.

164159629340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164159629340 is an abundant number, since it is smaller than the sum of its proper divisors (230293349860).

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

164159629340 is a wasteful number, since it uses less digits than its factorization.

164159629340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398434 (or 1398432 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 164159629340 in words is "one hundred sixty-four billion, one hundred fifty-nine million, six hundred twenty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 839 1678 3356 4195 5873 8390 11746 16780 23492 29365 58730 117460 1397579 2795158 5590316 6987895 9783053 13975790 19566106 27951580 39132212 48915265 97830530 195661060 1172568781 2345137562 4690275124 5862843905 8207981467 11725687810 16415962934 23451375620 32831925868 41039907335 82079814670 164159629340