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30213121113 = 32741101115811
BaseRepresentation
bin11100001000110101…
…111010010001011001
32212222121022120120200
4130020311322101121
5443334024333423
621514004012413
72116465202130
oct341065722131
985877276520
1030213121113
11118a457908a
125a32391109
132b06594776
141668884917
15bbc6c5d43
hex708d7a459

30213121113 has 48 divisors (see below), whose sum is σ = 51598415232. Its totient is φ = 16676640000.

The previous prime is 30213121097. The next prime is 30213121139. The reversal of 30213121113 is 31112131203.

It is not a de Polignac number, because 30213121113 - 24 = 30213121097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30213121153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202978 + ... + 318788.

It is an arithmetic number, because the mean of its divisors is an integer number (1074966984).

Almost surely, 230213121113 is an apocalyptic number.

It is an amenable number.

30213121113 is a deficient number, since it is larger than the sum of its proper divisors (21385294119).

30213121113 is a wasteful number, since it uses less digits than its factorization.

30213121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115966 (or 115963 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 30213121113 its reverse (31112131203), we get a palindrome (61325252316).

The spelling of 30213121113 in words is "thirty billion, two hundred thirteen million, one hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 3 7 9 21 41 63 101 123 287 303 369 707 861 909 2121 2583 4141 6363 12423 28987 37269 86961 115811 260883 347433 810677 1042299 2432031 4748251 7296093 11696911 14244753 33237757 35090733 42734259 81878377 99713271 105272199 245635131 299139813 479573351 736905393 1438720053 3357013457 4316160159 10071040371 30213121113