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30012123002203 = 37811138459519
BaseRepresentation
bin1101101001011101111011…
…11011100011010101011011
310221021010112110021002010201
412310232331323203111123
512413204311442032303
6143455213505123031
76215206246250026
oct664567573432533
9127233473232121
1030012123002203
119621085025041
123448673329477
131399191c0c334
1475a8474661bd
15370a3e24481d
hex1b4bbdee355b

30012123002203 has 4 divisors (see below), whose sum is σ = 30823261461760. Its totient is φ = 29200984542648.

The previous prime is 30012123002161. The next prime is 30012123002231. The reversal of 30012123002203 is 30220032121003.

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 30012123002203 - 213 = 30012122994011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012123002003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405569229723 + ... + 405569229796.

It is an arithmetic number, because the mean of its divisors is an integer number (7705815365440).

Almost surely, 230012123002203 is an apocalyptic number.

30012123002203 is a deficient number, since it is larger than the sum of its proper divisors (811138459557).

30012123002203 is an equidigital number, since it uses as much as digits as its factorization.

30012123002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811138459556.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30012123002203 its reverse (30220032121003), we get a palindrome (60232155123206).

The spelling of 30012123002203 in words is "thirty trillion, twelve billion, one hundred twenty-three million, two thousand, two hundred three".

Divisors: 1 37 811138459519 30012123002203