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203130019999 = 1791812762603
BaseRepresentation
bin1011110100101101111…
…1100010000010011111
3201102022110222011202001
42331023133202002133
511312002241114444
6233152221143131
720450515452514
oct2751337420237
9642273864661
10203130019999
1179168667595
123344b9baaa7
131620292830a
149b8da9130b
15543d14c8d4
hex2f4b7e209f

203130019999 has 8 divisors (see below), whose sum is σ = 204279356160. Its totient is φ = 201980845656.

The previous prime is 203130019927. The next prime is 203130020003. The reversal of 203130019999 is 999910031302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203130019999 - 215 = 203129987231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130019199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3213432 + ... + 3276034.

It is an arithmetic number, because the mean of its divisors is an integer number (25534919520).

Almost surely, 2203130019999 is an apocalyptic number.

203130019999 is a deficient number, since it is larger than the sum of its proper divisors (1149336161).

203130019999 is a wasteful number, since it uses less digits than its factorization.

203130019999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80909.

The product of its (nonzero) digits is 118098, while the sum is 46.

The spelling of 203130019999 in words is "two hundred three billion, one hundred thirty million, nineteen thousand, nine hundred ninety-nine".

Divisors: 1 179 18127 62603 3244733 11205937 1134804581 203130019999