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30211020222312 = 2339191369741577
BaseRepresentation
bin1101101111010000011010…
…01000001110111101101000
310221222010220221110202000110
412313220031020032331220
512424434132134103222
6144130430122534320
76235450146602226
oct667501510167550
9127863827422013
1030211020222312
1196984703523a6
12347b1216673a0
1313b1b6b916417
14766314cc3b16
15375cd098430c
hex1b7a0d20ef68

30211020222312 has 32 divisors (see below), whose sum is σ = 75609735105600. Its totient is φ = 10059382134144.

The previous prime is 30211020222289. The next prime is 30211020222343. The reversal of 30211020222312 is 21322202011203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 684848733 + ... + 684892844.

It is an arithmetic number, because the mean of its divisors is an integer number (2362804222050).

Almost surely, 230211020222312 is an apocalyptic number.

It is an amenable number.

30211020222312 is an abundant number, since it is smaller than the sum of its proper divisors (45398714883288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30211020222312 is a wasteful number, since it uses less digits than its factorization.

30211020222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369742505 (or 1369742501 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30211020222312 its reverse (21322202011203), we get a palindrome (51533222233515).

The spelling of 30211020222312 in words is "thirty trillion, two hundred eleven billion, twenty million, two hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 919 1838 2757 3676 5514 7352 11028 22056 1369741577 2739483154 4109224731 5478966308 8218449462 10957932616 16436898924 32873797848 1258792509263 2517585018526 3776377527789 5035170037052 7552755055578 10070340074104 15105510111156 30211020222312