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30011100103 = 104928609247
BaseRepresentation
bin11011111100110011…
…010000101111000111
32212110112011211212001
4123330303100233013
5442430320200403
621441550010131
72111463066445
oct337463205707
985415154761
1030011100103
1111800535776
1259967a6947
132aa37805ca
141649ad7b95
15ba9abcc1d
hex6fccd0bc7

30011100103 has 4 divisors (see below), whose sum is σ = 30039710400. Its totient is φ = 29982489808.

The previous prime is 30011100101. The next prime is 30011100113. The reversal of 30011100103 is 30100111003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30011100103 - 21 = 30011100101 is a prime.

It is a super-2 number, since 2×300111001032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30011100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011100101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14303575 + ... + 14305672.

It is an arithmetic number, because the mean of its divisors is an integer number (7509927600).

Almost surely, 230011100103 is an apocalyptic number.

30011100103 is a deficient number, since it is larger than the sum of its proper divisors (28610297).

30011100103 is a wasteful number, since it uses less digits than its factorization.

30011100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28610296.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 30011100103 its reverse (30100111003), we get a palindrome (60111211106).

The spelling of 30011100103 in words is "thirty billion, eleven million, one hundred thousand, one hundred three".

Divisors: 1 1049 28609247 30011100103