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30212011121321 = 2333733891150139
BaseRepresentation
bin1101101111010010010000…
…01100001101101010101001
310221222020111000000121220202
412313221020030031222221
512424443144321340241
6144131112321201545
76235513541236511
oct667511014155251
9127866430017822
1030212011121321
11969892971a4a7
12347b3594902b5
1313b1c98cb7cb3
147663aa742841
15375d3c968d9b
hex1b7a4830daa9

30212011121321 has 16 divisors (see below), whose sum is σ = 31628481955200. Its totient is φ = 28804166485248.

The previous prime is 30212011121297. The next prime is 30212011121333. The reversal of 30212011121321 is 12312111021203.

It is not a de Polignac number, because 30212011121321 - 234 = 30194831252137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212011121293 and 30212011121302.

It is not an unprimeable number, because it can be changed into a prime (30212011121221) 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, 25693070 + ... + 26843208.

It is an arithmetic number, because the mean of its divisors is an integer number (1976780122200).

Almost surely, 230212011121321 is an apocalyptic number.

It is an amenable number.

30212011121321 is a deficient number, since it is larger than the sum of its proper divisors (1416470833879).

30212011121321 is a wasteful number, since it uses less digits than its factorization.

30212011121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153888.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 30212011121321 its reverse (12312111021203), we get a palindrome (42524122142524).

The spelling of 30212011121321 in words is "thirty trillion, two hundred twelve billion, eleven million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 23 337 3389 7751 77947 1142093 1150139 26268139 26453197 387596843 3897821071 8914727389 89649884633 1313565700927 30212011121321