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164725701492 = 223111936465917
BaseRepresentation
bin1001100101101001101…
…0101011101101110100
3120202012000110122202010
42121122122223231310
510144324234421432
6203401323244220
714621025234402
oct2313232535564
9522160418663
10164725701492
1163950400690
1227b12379670
13126c2328cb1
147d893b2472
1544417b03cc
hex265a6abb74

164725701492 has 48 divisors (see below), whose sum is σ = 421474398912. Its totient is φ = 49658234880.

The previous prime is 164725701479. The next prime is 164725701583. The reversal of 164725701492 is 294107527461.

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, 3207483 + ... + 3258434.

It is an arithmetic number, because the mean of its divisors is an integer number (8780716644).

Almost surely, 2164725701492 is an apocalyptic number.

164725701492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164725701492 is an abundant number, since it is smaller than the sum of its proper divisors (256748697420).

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

164725701492 is a wasteful number, since it uses less digits than its factorization.

164725701492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466128 (or 6466126 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 164725701492 in words is "one hundred sixty-four billion, seven hundred twenty-five million, seven hundred one thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 193 386 579 772 1158 2123 2316 4246 6369 8492 12738 25476 6465917 12931834 19397751 25863668 38795502 71125087 77591004 142250174 213375261 284500348 426750522 853501044 1247921981 2495843962 3743765943 4991687924 7487531886 13727141791 14975063772 27454283582 41181425373 54908567164 82362850746 164725701492