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30011230123 = 736725494583
BaseRepresentation
bin11011111100110011…
…110000011110101011
32212110112102110012121
4123330303300132223
5442430333330443
621441552452111
72111464150510
oct337463603653
985415373177
1030011230123
1111800614426
12599684a037
132aa37c7844
141649b2d307
15ba9ae64ed
hex6fccf07ab

30011230123 has 16 divisors (see below), whose sum is σ = 34413004800. Its totient is φ = 25638159456.

The previous prime is 30011230121. The next prime is 30011230159. The reversal of 30011230123 is 32103211003.

It is not a de Polignac number, because 30011230123 - 21 = 30011230121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30011230097 and 30011230106.

It is not an unprimeable number, because it can be changed into a prime (30011230121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6546090 + ... + 6550672.

It is an arithmetic number, because the mean of its divisors is an integer number (2150812800).

Almost surely, 230011230123 is an apocalyptic number.

30011230123 is a deficient number, since it is larger than the sum of its proper divisors (4401774677).

30011230123 is a wasteful number, since it uses less digits than its factorization.

30011230123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506.

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

Adding to 30011230123 its reverse (32103211003), we get a palindrome (62114441126).

The spelling of 30011230123 in words is "thirty billion, eleven million, two hundred thirty thousand, one hundred twenty-three".

Divisors: 1 7 367 2549 2569 4583 17843 32081 935483 1681961 6548381 11682067 11773727 81774469 4287318589 30011230123