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203320231168 = 28794219653
BaseRepresentation
bin1011110101011011010…
…1001000010100000000
3201102210201212220102011
42331112311020110000
511312344434344133
6233223134102304
720455315310155
oct2752665102400
9642721786364
10203320231168
1179255a73aaa
12334a364a994
1316233165bc2
149bab04622c
15544ebc16cd
hex2f56d48500

203320231168 has 18 divisors (see below), whose sum is σ = 405846243194. Its totient is φ = 101660115456.

The previous prime is 203320231141. The next prime is 203320231187. The reversal of 203320231168 is 861132023302.

It can be written as a sum of positive squares in only one way, i.e., 135153287424 + 68166943744 = 367632^2 + 261088^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 397109571 + ... + 397110082.

Almost surely, 2203320231168 is an apocalyptic number.

It is an amenable number.

203320231168 is a deficient number, since it is larger than the sum of its proper divisors (202526012026).

203320231168 is an frugal number, since it uses more digits than its factorization.

203320231168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794219669 (or 794219655 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 203320231168 in words is "two hundred three billion, three hundred twenty million, two hundred thirty-one thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 794219653 1588439306 3176878612 6353757224 12707514448 25415028896 50830057792 101660115584 203320231168