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30211302113212 = 22112813317382143
BaseRepresentation
bin1101101111010000111011…
…11011100011111110111100
310221222011122120220021122011
412313220131323203332330
512424440221320110322
6144130514112501004
76235460141616463
oct667503573437674
9127864576807564
1030211302113212
1196985a5488190
12347b19bb4a764
1313b1bb514367c
147663405019da
15375cea5b7677
hex1b7a1dee3fbc

30211302113212 has 48 divisors (see below), whose sum is σ = 58056251387904. Its totient is φ = 13642198416000.

The previous prime is 30211302113207. The next prime is 30211302113221. The reversal of 30211302113212 is 21231120311203.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401413 + ... + 7783555.

It is an arithmetic number, because the mean of its divisors is an integer number (1209505237248).

Almost surely, 230211302113212 is an apocalyptic number.

It is an amenable number.

30211302113212 is a deficient number, since it is larger than the sum of its proper divisors (27844949274692).

30211302113212 is a wasteful number, since it uses less digits than its factorization.

30211302113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382770 (or 7382768 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30211302113212 its reverse (21231120311203), we get a palindrome (51442422424415).

The spelling of 30211302113212 in words is "thirty trillion, two hundred eleven billion, three hundred two million, one hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 281 331 562 662 1124 1324 3091 3641 6182 7282 12364 14564 93011 186022 372044 1023121 2046242 4092484 7382143 14764286 29528572 81203573 162407146 324814292 2074382183 2443489333 4148764366 4886978666 8297528732 9773957332 22818204013 26878382663 45636408026 53756765326 91272816052 107513530652 686620502573 1373241005146 2746482010292 7552825528303 15105651056606 30211302113212