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203020230019 = 797630140427
BaseRepresentation
bin1011110100010011110…
…0101101110110000011
3201102000211101021012111
42331010330231312003
511311241134330034
6233133300040151
720445013324225
oct2750474556603
9642024337174
10203020230019
1179111699772
123341b093057
13161b5c67729
149b7d272415
1554336b2364
hex2f44f2dd83

203020230019 has 8 divisors (see below), whose sum is σ = 203312250288. Its totient is φ = 202728304800.

The previous prime is 203020230013. The next prime is 203020230043. The reversal of 203020230019 is 910032020302.

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 203020230019 - 23 = 203020230011 is a prime.

It is a super-2 number, since 2×2030202300192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203020230011) 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, 5001684 + ... + 5042110.

It is an arithmetic number, because the mean of its divisors is an integer number (25414031286).

Almost surely, 2203020230019 is an apocalyptic number.

203020230019 is a deficient number, since it is larger than the sum of its proper divisors (292020269).

203020230019 is an equidigital number, since it uses as much as digits as its factorization.

203020230019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47525.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 203020230019 in words is "two hundred three billion, twenty million, two hundred thirty thousand, nineteen".

Divisors: 1 797 6301 40427 5021897 32220319 254730527 203020230019