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168943283164 = 22111977377183
BaseRepresentation
bin1001110101010111001…
…1011110101111011100
3121011001221121000010201
42131111303132233130
510231443440030124
6205340024513244
715130400133025
oct2352563365734
9534057530121
10168943283164
1165715096177
12288aa91b824
1312c1504c456
1482695a3c4c
1545dbbb4144
hex2755cdebdc

168943283164 has 12 divisors (see below), whose sum is σ = 295654169664. Its totient is φ = 84470663264.

The previous prime is 168943283147. The next prime is 168943283167. The reversal of 168943283164 is 461382349861.

It is a super-3 number, since 3×1689432831643 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168943283167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259317 + ... + 636499.

It is an arithmetic number, because the mean of its divisors is an integer number (24637847472).

Almost surely, 2168943283164 is an apocalyptic number.

It is an amenable number.

168943283164 is a deficient number, since it is larger than the sum of its proper divisors (126710886500).

168943283164 is a wasteful number, since it uses less digits than its factorization.

168943283164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489164 (or 489162 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

The spelling of 168943283164 in words is "one hundred sixty-eight billion, nine hundred forty-three million, two hundred eighty-three thousand, one hundred sixty-four".

Divisors: 1 2 4 111977 223954 377183 447908 754366 1508732 42235820791 84471641582 168943283164