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164210661230 = 25711213260599
BaseRepresentation
bin1001100011101110110…
…1111101011101101110
3120200212010022220022212
42120323231331131232
510142300412124410
6203234244210422
714602202406320
oct2307355753556
9520763286285
10164210661230
1163706701280
12279a9999a12
131263c709145
147d3ac23610
154411475b05
hex263bb7d76e

164210661230 has 32 divisors (see below), whose sum is σ = 368514316800. Its totient is φ = 51182543520.

The previous prime is 164210661229. The next prime is 164210661247. The reversal of 164210661230 is 32166012461.

It is a super-2 number, since 2×1642106612302 (a number of 23 digits) contains 22 as substring.

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, 106629530 + ... + 106631069.

It is an arithmetic number, because the mean of its divisors is an integer number (11516072400).

Almost surely, 2164210661230 is an apocalyptic number.

164210661230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164210661230 is an abundant number, since it is smaller than the sum of its proper divisors (204303655570).

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

164210661230 is a wasteful number, since it uses less digits than its factorization.

164210661230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213260624.

The product of its (nonzero) digits is 10368, while the sum is 32.

Adding to 164210661230 its reverse (32166012461), we get a palindrome (196376673691).

The spelling of 164210661230 in words is "one hundred sixty-four billion, two hundred ten million, six hundred sixty-one thousand, two hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 213260599 426521198 1066302995 1492824193 2132605990 2345866589 2985648386 4691733178 7464120965 11729332945 14928241930 16421066123 23458665890 32842132246 82105330615 164210661230