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30307226166 = 234771937171
BaseRepresentation
bin11100001110011100…
…111001001000110110
32220020011101121110000
4130032130321020312
5444032122214131
621531205012130
72122020112650
oct341634711066
986204347400
1030307226166
1111942703658
125a599b4046
132b1cc23029
14167717d6d0
15bc5ab3ce6
hex70e739236

30307226166 has 80 divisors (see below), whose sum is σ = 77722191360. Its totient is φ = 8646931440.

The previous prime is 30307226143. The next prime is 30307226179. The reversal of 30307226166 is 66162270303.

30307226166 is a `hidden beast` number, since 3 + 0 + 30 + 7 + 2 + 2 + 616 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 30307226166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 796761 + ... + 833931.

It is an arithmetic number, because the mean of its divisors is an integer number (971527392).

Almost surely, 230307226166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30307226166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38861095680).

30307226166 is an abundant number, since it is smaller than the sum of its proper divisors (47414965194).

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

30307226166 is a wasteful number, since it uses less digits than its factorization.

30307226166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37911 (or 37902 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

Adding to 30307226166 its reverse (66162270303), we get a palindrome (96469496469).

The spelling of 30307226166 in words is "thirty billion, three hundred seven million, two hundred twenty-six thousand, one hundred sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 719 1134 1438 2157 4314 5033 6471 10066 12942 15099 19413 30198 37171 38826 45297 58239 74342 90594 111513 116478 135891 223026 260197 271782 334539 407673 520394 669078 780591 815346 1003617 1561182 2007234 2341773 3010851 4683546 6021702 7025319 14050638 21075957 26725949 42151914 53451898 80177847 160355694 187081643 240533541 374163286 481067082 561244929 721600623 1122489858 1443201246 1683734787 2164801869 3367469574 4329603738 5051204361 10102408722 15153613083 30307226166