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168004443296 = 255250138853
BaseRepresentation
bin1001110001110111011…
…0000101110010100000
3121001122111222222221202
42130131312011302200
510223033114141141
6205102530140332
715065210130404
oct2343566056240
9531574888852
10168004443296
1165283145958
12286884216a8
1312ac56a72c1
1481baa17104
15458456449b
hex271dd85ca0

168004443296 has 12 divisors (see below), whose sum is σ = 330758747802. Its totient is φ = 84002221632.

The previous prime is 168004443293. The next prime is 168004443353. The reversal of 168004443296 is 692344400861.

It can be written as a sum of positive squares in only one way, i.e., 154320122896 + 13684320400 = 392836^2 + 116980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168004443296.

It is not an unprimeable number, because it can be changed into a prime (168004443293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625069395 + ... + 2625069458.

Almost surely, 2168004443296 is an apocalyptic number.

168004443296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168004443296 is a deficient number, since it is larger than the sum of its proper divisors (162754304506).

168004443296 is an equidigital number, since it uses as much as digits as its factorization.

168004443296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250138863 (or 5250138855 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 168004443296 in words is "one hundred sixty-eight billion, four million, four hundred forty-three thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 32 5250138853 10500277706 21000555412 42001110824 84002221648 168004443296