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30030250503 = 3111391365407
BaseRepresentation
bin11011111101111100…
…010100001000000111
32212111212012210021010
4123331330110020013
5443000221004003
621443512253303
72112114626511
oct337574241007
985455183233
1030030250503
1111810325750
1259a10a1233
132aa77270c6
14164c480bb1
15bab602003
hex6fdf14207

30030250503 has 16 divisors (see below), whose sum is σ = 43684171776. Its totient is φ = 18198565440.

The previous prime is 30030250489. The next prime is 30030250507. The reversal of 30030250503 is 30505203003.

It is not a de Polignac number, because 30030250503 - 228 = 29761815047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30030250503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030250507) 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 15 ways as a sum of consecutive naturals, for example, 426426 + ... + 491832.

It is an arithmetic number, because the mean of its divisors is an integer number (2730260736).

Almost surely, 230030250503 is an apocalyptic number.

30030250503 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30030250503 is a deficient number, since it is larger than the sum of its proper divisors (13653921273).

30030250503 is a wasteful number, since it uses less digits than its factorization.

30030250503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79334.

The product of its (nonzero) digits is 1350, while the sum is 21.

Adding to 30030250503 its reverse (30505203003), we get a palindrome (60535453506).

The spelling of 30030250503 in words is "thirty billion, thirty million, two hundred fifty thousand, five hundred three".

Divisors: 1 3 11 33 13913 41739 65407 153043 196221 459129 719477 2158431 910007591 2730022773 10010083501 30030250503