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136764497688 = 233713239479547
BaseRepresentation
bin111111101011111001…
…1001001111100011000
3111002000100112022222020
41333113303021330120
54220043202411223
6142455001454440
712611103022650
oct1772763117430
9432010468866
10136764497688
1153001aa2395
122260a1a1420
13cb87472ba0
146895a41360
153856b5e1e3
hex1fd7cc9f18

136764497688 has 256 divisors, whose sum is σ = 424230912000. Its totient is φ = 35778322944.

The previous prime is 136764497629. The next prime is 136764497693. The reversal of 136764497688 is 886794467631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 250026231 + ... + 250026777.

It is an arithmetic number, because the mean of its divisors is an integer number (1657152000).

Almost surely, 2136764497688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136764497688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212115456000).

136764497688 is an abundant number, since it is smaller than the sum of its proper divisors (287466414312).

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

136764497688 is a wasteful number, since it uses less digits than its factorization.

136764497688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294 (or 1290 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 69.

The spelling of 136764497688 in words is "one hundred thirty-six billion, seven hundred sixty-four million, four hundred ninety-seven thousand, six hundred eighty-eight".