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30121103213300 = 225211263110393797
BaseRepresentation
bin1101101100101000111011…
…01010000100001011110100
310221122112211110202102010102
412312110131222010023310
512422001004410311200
6144021235505213232
76226115005620011
oct666243552041364
9127575743672112
1030121103213300
119663319565700
123465808631218
1313a653c060a48
14761c2502a708
153737bba4c6d5
hex1b651da842f4

30121103213300 has 216 divisors, whose sum is σ = 72047141187840. Its totient is φ = 10922367456000.

The previous prime is 30121103213203. The next prime is 30121103213353. The reversal of 30121103213300 is 331230112103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7932867002 + ... + 7932870798.

Almost surely, 230121103213300 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30121103213300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36023570593920).

30121103213300 is an abundant number, since it is smaller than the sum of its proper divisors (41926037974540).

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

30121103213300 is a wasteful number, since it uses less digits than its factorization.

30121103213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503 (or 5485 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30121103213300 its reverse (331230112103), we get a palindrome (30452333325403).

The spelling of 30121103213300 in words is "thirty trillion, one hundred twenty-one billion, one hundred three million, two hundred thirteen thousand, three hundred".