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30212020101102 = 237217131190724197
BaseRepresentation
bin1101101111010010010001…
…01110011101111111101110
310221222020111121220211212020
412313221020232131333232
512424443204121213402
6144131113241451010
76235514010456600
oct667511056357756
9127866447824766
1030212020101102
1196989337a3104
12347b3604a0a66
1313b1c9ab10388
147663ab9dd170
15375d3d63e8bc
hex1b7a48b9dfee

30212020101102 has 192 divisors, whose sum is σ = 75034394240256. Its totient is φ = 8057662878720.

The previous prime is 30212020101101. The next prime is 30212020101127. The reversal of 30212020101102 is 20110102021203.

It is a super-2 number, since 2×302120201011022 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212020101101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1248573268 + ... + 1248597464.

It is an arithmetic number, because the mean of its divisors is an integer number (390804136668).

Almost surely, 230212020101102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30212020101102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37517197120128).

30212020101102 is an abundant number, since it is smaller than the sum of its proper divisors (44822374139154).

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

30212020101102 is a wasteful number, since it uses less digits than its factorization.

30212020101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26271 (or 26264 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30212020101102 its reverse (20110102021203), we get a palindrome (50322122122305).

The spelling of 30212020101102 in words is "thirty trillion, two hundred twelve billion, twenty million, one hundred one thousand, one hundred two".