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168412889364 = 22314034407447
BaseRepresentation
bin1001110011011000110…
…0001100000100010100
3121002200222120012121220
42130312030030010110
510224402144424424
6205211240410340
715111266640306
oct2346614140424
9532628505556
10168412889364
116547275a495
12287811769b0
1312b5c1b5075
148218d79976
1545aa345579
hex273630c114

168412889364 has 12 divisors (see below), whose sum is σ = 392963408544. Its totient is φ = 56137629784.

The previous prime is 168412889363. The next prime is 168412889423. The reversal of 168412889364 is 463988214861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 168412889298 and 168412889307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168412889363) 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, 7017203712 + ... + 7017203735.

It is an arithmetic number, because the mean of its divisors is an integer number (32746950712).

Almost surely, 2168412889364 is an apocalyptic number.

It is an amenable number.

168412889364 is an abundant number, since it is smaller than the sum of its proper divisors (224550519180).

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

168412889364 is a wasteful number, since it uses less digits than its factorization.

168412889364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034407454 (or 14034407452 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The spelling of 168412889364 in words is "one hundred sixty-eight billion, four hundred twelve million, eight hundred eighty-nine thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 12 14034407447 28068814894 42103222341 56137629788 84206444682 168412889364