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30031234123 = 114483960887
BaseRepresentation
bin11011111110000000…
…000100010001001011
32212111221001202112111
4123332000010101023
5443000443442443
621443545323151
72112126164302
oct337600042113
985457052474
1030031234123
1111810937760
1259a14964b7
132aa79aca27
14164c659439
15bab74869d
hex6fe00444b

30031234123 has 8 divisors (see below), whose sum is σ = 32762615040. Its totient is φ = 27300064680.

The previous prime is 30031234091. The next prime is 30031234141. The reversal of 30031234123 is 32143213003.

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 30031234123 - 25 = 30031234091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30031234094 and 30031234103.

It is not an unprimeable number, because it can be changed into a prime (30031234153) 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, 462786 + ... + 523672.

It is an arithmetic number, because the mean of its divisors is an integer number (4095326880).

Almost surely, 230031234123 is an apocalyptic number.

30031234123 is a deficient number, since it is larger than the sum of its proper divisors (2731380917).

30031234123 is a wasteful number, since it uses less digits than its factorization.

30031234123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105737.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30031234123 its reverse (32143213003), we get a palindrome (62174447126).

The spelling of 30031234123 in words is "thirty billion, thirty-one million, two hundred thirty-four thousand, one hundred twenty-three".

Divisors: 1 11 44839 60887 493229 669757 2730112193 30031234123