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164029685299200 = 21134527172973157
BaseRepresentation
bin100101010010111100100011…
…000111111111100000000000
3210111210002021210112012020000
4211102330203013333200000
5132444430243414033300
61340510110330120000
746356516341154660
oct4522744307774000
9714702253465200
10164029685299200
11482a0665119576
1216492075880000
13706ac1890aa56
142c711171b41a0
1513e6bc64e1c00
hex952f231ff800

164029685299200 has 5760 divisors, whose sum is σ = 775842424156800. Its totient is φ = 33389511966720.

The previous prime is 164029685299157. The next prime is 164029685299201. The reversal of 164029685299200 is 2992586920461.

164029685299200 is a `hidden beast` number, since 1 + 6 + 4 + 0 + 29 + 68 + 529 + 9 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (5760).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164029685299201) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 1044775065522 + ... + 1044775065678.

It is an arithmetic number, because the mean of its divisors is an integer number (134694865305).

Almost surely, 2164029685299200 is an apocalyptic number.

164029685299200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164029685299200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387921212078400).

164029685299200 is an abundant number, since it is smaller than the sum of its proper divisors (611812738857600).

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

164029685299200 is a wasteful number, since it uses less digits than its factorization.

164029685299200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 164029685299200 in words is "one hundred sixty-four trillion, twenty-nine billion, six hundred eighty-five million, two hundred ninety-nine thousand, two hundred".