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30212020202113 = 195375139949409
BaseRepresentation
bin1101101111010010010001…
…01110110110101010000001
310221222020111122002222102101
412313221020232312222001
512424443204132431423
6144131113243550401
76235514011360231
oct667511056665201
9127866448088371
1030212020202113
119698933861a92
12347b36052b401
1313b1c9ab47349
147663aba27cc1
15375d3d65e7ad
hex1b7a48bb6a81

30212020202113 has 16 divisors (see below), whose sum is σ = 32445312825600. Its totient is φ = 28044484416000.

The previous prime is 30212020202069. The next prime is 30212020202131. The reversal of 30212020202113 is 31120202021203.

It is a cyclic number.

It is not a de Polignac number, because 30212020202113 - 217 = 30212020071041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212020202213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19218448 + ... + 20730961.

It is an arithmetic number, because the mean of its divisors is an integer number (2027832051600).

Almost surely, 230212020202113 is an apocalyptic number.

It is an amenable number.

30212020202113 is a deficient number, since it is larger than the sum of its proper divisors (2233292623487).

30212020202113 is a wasteful number, since it uses less digits than its factorization.

30212020202113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39950232.

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

Adding to 30212020202113 its reverse (31120202021203), we get a palindrome (61332222223316).

The spelling of 30212020202113 in words is "thirty trillion, two hundred twelve billion, twenty million, two hundred two thousand, one hundred thirteen".

Divisors: 1 19 53 751 1007 14269 39803 756257 39949409 759038771 2117318677 30002006159 40229054863 570038117021 1590106326427 30212020202113