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30001103001223 = 191818723786857
BaseRepresentation
bin1101101001001001011010…
…00101100101011010000111
310221020002002110012000201021
412310210231011211122013
512413014224332014343
6143450152204212011
76214336204632214
oct664445505453207
9127202073160637
1030001103001223
11961743a576212
1234464b883a007
131398126b00cb3
1475a0bda6ab0b
153705e6a540ed
hex1b492d165687

30001103001223 has 8 divisors (see below), whose sum is σ = 31754584163120. Its totient is φ = 28265069413440.

The previous prime is 30001103001193. The next prime is 30001103001241. The reversal of 30001103001223 is 32210030110003.

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 30001103001223 - 225 = 30001069446791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30001103001197 and 30001103001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30001163001223) 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, 4361889990 + ... + 4361896867.

It is an arithmetic number, because the mean of its divisors is an integer number (3969323020390).

Almost surely, 230001103001223 is an apocalyptic number.

30001103001223 is a deficient number, since it is larger than the sum of its proper divisors (1753481161897).

30001103001223 is a wasteful number, since it uses less digits than its factorization.

30001103001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8723787057.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30001103001223 its reverse (32210030110003), we get a palindrome (62211133111226).

The spelling of 30001103001223 in words is "thirty trillion, one billion, one hundred three million, one thousand, two hundred twenty-three".

Divisors: 1 19 181 3439 8723786857 165751950283 1579005421117 30001103001223