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30221540240311 = 7193629444947
BaseRepresentation
bin1101101111100100000000…
…01010111010101110110111
310222000011002002202000201201
412313302000022322232313
512430122203300142221
6144135330043233331
76236301640353520
oct667620012725667
9128004062660651
1030221540240311
1196a1979656652
123481178818847
1313b2b57277344
14766a3212d847
153761e9311891
hex1b7c802babb7

30221540240311 has 16 divisors (see below), whose sum is σ = 36457451388160. Its totient is φ = 24540799554648.

The previous prime is 30221540240239. The next prime is 30221540240321. The reversal of 30221540240311 is 11304204512203.

It is not a de Polignac number, because 30221540240311 - 213 = 30221540232119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30221540240311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221540240321) 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, 314674461 + ... + 314770486.

It is an arithmetic number, because the mean of its divisors is an integer number (2278590711760).

Almost surely, 230221540240311 is an apocalyptic number.

30221540240311 is a deficient number, since it is larger than the sum of its proper divisors (6235911147849).

30221540240311 is an frugal number, since it uses more digits than its factorization.

30221540240311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629445011 (or 629444973 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 30221540240311 its reverse (11304204512203), we get a palindrome (41525744752514).

The spelling of 30221540240311 in words is "thirty trillion, two hundred twenty-one billion, five hundred forty million, two hundred forty thousand, three hundred eleven".

Divisors: 1 7 19 133 361 2527 6859 48013 629444947 4406114629 11959453993 83716177951 227229625867 1590607381069 4317362891473 30221540240311