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30123211222 = 2131158585047
BaseRepresentation
bin11100000011011110…
…111011100111010110
32212202100010200101201
4130003132323213112
5443143020224342
621501032543114
72114324033146
oct340336734726
985670120351
1030123211222
1111858849495
125a08251a9a
132ac0a74850
14165a95c926
15bb4865db7
hex7037bb9d6

30123211222 has 8 divisors (see below), whose sum is σ = 48660572016. Its totient is φ = 13903020552.

The previous prime is 30123211219. The next prime is 30123211241. The reversal of 30123211222 is 22211232103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30123211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579292498 + ... + 579292549.

It is an arithmetic number, because the mean of its divisors is an integer number (6082571502).

Almost surely, 230123211222 is an apocalyptic number.

30123211222 is a deficient number, since it is larger than the sum of its proper divisors (18537360794).

30123211222 is a wasteful number, since it uses less digits than its factorization.

30123211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158585062.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30123211222 its reverse (22211232103), we get a palindrome (52334443325).

The spelling of 30123211222 in words is "thirty billion, one hundred twenty-three million, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 13 26 1158585047 2317170094 15061605611 30123211222