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164413793376 = 25327591382279
BaseRepresentation
bin1001100100011111010…
…0110110010001100000
3120201101021120002020200
42121013310312101200
510143204412342001
6203310342105200
714610220120320
oct2310764662140
9521337502220
10164413793376
1163800333488
1227a45a1b200
131267281bc91
147d59bbd280
1544241ed086
hex2647d36460

164413793376 has 144 divisors (see below), whose sum is σ = 543401913600. Its totient is φ = 46179143424.

The previous prime is 164413793371. The next prime is 164413793381. The reversal of 164413793376 is 673397314461.

164413793376 is a `hidden beast` number, since 1 + 64 + 413 + 79 + 33 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (164413793371) and next prime (164413793381).

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-3 number, since 3×1644137933763 (a number of 35 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164413793371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 572196 + ... + 810083.

It is an arithmetic number, because the mean of its divisors is an integer number (3773624400).

Almost surely, 2164413793376 is an apocalyptic number.

164413793376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164413793376 is an abundant number, since it is smaller than the sum of its proper divisors (378988120224).

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

164413793376 is a wasteful number, since it uses less digits than its factorization.

164413793376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382361 (or 1382350 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The spelling of 164413793376 in words is "one hundred sixty-four billion, four hundred thirteen million, seven hundred ninety-three thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 59 63 72 84 96 112 118 126 144 168 177 224 236 252 288 336 354 413 472 504 531 672 708 826 944 1008 1062 1239 1416 1652 1888 2016 2124 2478 2832 3304 3717 4248 4956 5664 6608 7434 8496 9912 13216 14868 16992 19824 29736 39648 59472 118944 1382279 2764558 4146837 5529116 8293674 9675953 11058232 12440511 16587348 19351906 22116464 24881022 29027859 33174696 38703812 44232928 49762044 58055718 66349392 77407624 81554461 87083577 99524088 116111436 132698784 154815248 163108922 174167154 199048176 232222872 244663383 309630496 326217844 348334308 398096352 464445744 489326766 570881227 652435688 696668616 733990149 928891488 978653532 1141762454 1304871376 1393337232 1467980298 1712643681 1957307064 2283524908 2609742752 2786674464 2935960596 3425287362 3914614128 4567049816 5137931043 5871921192 6850574724 7829228256 9134099632 10275862086 11743842384 13701149448 18268199264 20551724172 23487684768 27402298896 41103448344 54804597792 82206896688 164413793376