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203030300019 = 383815382731
BaseRepresentation
bin1011110100010110001…
…1001000010101110011
3201102001112022212122110
42331011203020111303
511311301224100034
6233134255540403
720445165034641
oct2750543102563
9642045285573
10203030300019
1179117347488
123342252a703
13161b8082101
149b80734191
155434500de9
hex2f458c8573

203030300019 has 8 divisors (see below), whose sum is σ = 273968597952. Its totient is φ = 133722767720.

The previous prime is 203030299939. The next prime is 203030300021. The reversal of 203030300019 is 910003030302.

203030300019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203030300019 - 27 = 203030299891 is a prime.

It is a super-2 number, since 2×2030303000192 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203030299968 and 203030300004.

It is not an unprimeable number, because it can be changed into a prime (203030300519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407691117 + ... + 407691614.

It is an arithmetic number, because the mean of its divisors is an integer number (34246074744).

Almost surely, 2203030300019 is an apocalyptic number.

203030300019 is a deficient number, since it is larger than the sum of its proper divisors (70938297933).

203030300019 is an equidigital number, since it uses as much as digits as its factorization.

203030300019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815382817.

The product of its (nonzero) digits is 486, while the sum is 21.

The spelling of 203030300019 in words is "two hundred three billion, thirty million, three hundred thousand, nineteen".

Divisors: 1 3 83 249 815382731 2446148193 67676766673 203030300019