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30231210231212 = 227557802557803
BaseRepresentation
bin1101101111110110000001…
…00011000000010110101100
310222001002001000112110110212
412313323000203000112230
512430302004304344322
6144144005400521552
76240063400052024
oct667730043002654
9128032030473425
1030231210231212
1196a5a9105a971
1234830171802b8
1313b3a3878a853
147672ac50aa84
153765b32340e2
hex1b7ec08c05ac

30231210231212 has 6 divisors (see below), whose sum is σ = 52904617904628. Its totient is φ = 15115605115604.

The previous prime is 30231210231199. The next prime is 30231210231239. The reversal of 30231210231212 is 21213201213203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3778901278898 + ... + 3778901278905.

It is an arithmetic number, because the mean of its divisors is an integer number (8817436317438).

Almost surely, 230231210231212 is an apocalyptic number.

It is an amenable number.

30231210231212 is a deficient number, since it is larger than the sum of its proper divisors (22673407673416).

30231210231212 is a wasteful number, since it uses less digits than its factorization.

30231210231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7557802557807 (or 7557802557805 counting only the distinct ones).

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

Adding to 30231210231212 its reverse (21213201213203), we get a palindrome (51444411444415).

The spelling of 30231210231212 in words is "thirty trillion, two hundred thirty-one billion, two hundred ten million, two hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 7557802557803 15115605115606 30231210231212