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164274603808 = 2573123657057
BaseRepresentation
bin1001100011111110000…
…1111000011100100000
3120201000120122112001111
42120333201320130200
510142413244310213
6203244450513104
714603610043660
oct2307741703440
9521016575044
10164274603808
1163739805287
1227a07295794
131264ca367a3
147d4550a1a0
154416da6a3d
hex263f878720

164274603808 has 48 divisors (see below), whose sum is σ = 381541031424. Its totient is φ = 68132321280.

The previous prime is 164274603799. The next prime is 164274603851. The reversal of 164274603808 is 808306472461.

It is a super-2 number, since 2×1642746038082 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11821585 + ... + 11835472.

It is an arithmetic number, because the mean of its divisors is an integer number (7948771488).

Almost surely, 2164274603808 is an apocalyptic number.

It is an amenable number.

164274603808 is an abundant number, since it is smaller than the sum of its proper divisors (217266427616).

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

164274603808 is a wasteful number, since it uses less digits than its factorization.

164274603808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23657105 (or 23657097 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 164274603808 in words is "one hundred sixty-four billion, two hundred seventy-four million, six hundred three thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 112 124 217 224 248 434 496 868 992 1736 3472 6944 23657057 47314114 94628228 165599399 189256456 331198798 378512912 662397596 733368767 757025824 1324795192 1466737534 2649590384 2933475068 5133581369 5299180768 5866950136 10267162738 11733900272 20534325476 23467800544 41068650952 82137301904 164274603808