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30211226123 = 132323940471
BaseRepresentation
bin11100001000101110…
…101011101000001011
32212222110202022010212
4130020232223220023
5443333033213443
621513455231335
72116443120311
oct341056535013
985873668125
1030211226123
11118a34a4381
125a3181854b
132b06080080
1416685100b1
15bbc44e618
hex708baba0b

30211226123 has 4 divisors (see below), whose sum is σ = 32535166608. Its totient is φ = 27887285640.

The previous prime is 30211226107. The next prime is 30211226137. The reversal of 30211226123 is 32162211203.

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 30211226123 - 24 = 30211226107 is a prime.

It is a super-2 number, since 2×302112261232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30211226623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161970223 + ... + 1161970248.

It is an arithmetic number, because the mean of its divisors is an integer number (8133791652).

Almost surely, 230211226123 is an apocalyptic number.

30211226123 is a deficient number, since it is larger than the sum of its proper divisors (2323940485).

30211226123 is a wasteful number, since it uses less digits than its factorization.

30211226123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323940484.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30211226123 its reverse (32162211203), we get a palindrome (62373437326).

The spelling of 30211226123 in words is "thirty billion, two hundred eleven million, two hundred twenty-six thousand, one hundred twenty-three".

Divisors: 1 13 2323940471 30211226123