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164740182012 = 22327653730881
BaseRepresentation
bin1001100101101101000…
…1111010111111111100
3120202020000201100021200
42121123101322333330
510144341441311022
6203403001455500
714621262304560
oct2313321727774
9522200640250
10164740182012
11639585a105a
1227b171a1590
13126c5329053
147d8b2a16a0
154442bc0bac
hex265b47affc

164740182012 has 36 divisors (see below), whose sum is σ = 475916082096. Its totient is φ = 47068623360.

The previous prime is 164740181993. The next prime is 164740182017. The reversal of 164740182012 is 210281047461.

It is a happy number.

164740182012 is a `hidden beast` number, since 1 + 6 + 47 + 401 + 8 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164740182017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 326865189 + ... + 326865692.

Almost surely, 2164740182012 is an apocalyptic number.

164740182012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164740182012 is an abundant number, since it is smaller than the sum of its proper divisors (311175900084).

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

164740182012 is a wasteful number, since it uses less digits than its factorization.

164740182012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653730898 (or 653730893 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 164740182012 in words is "one hundred sixty-four billion, seven hundred forty million, one hundred eighty-two thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 653730881 1307461762 1961192643 2614923524 3922385286 4576116167 5883577929 7844770572 9152232334 11767155858 13728348501 18304464668 23534311716 27456697002 41185045503 54913394004 82370091006 164740182012