Search a number
-
+
30121130122111 = 711340194962121
BaseRepresentation
bin1101101100101000111110…
…10000101101101101111111
310221122112220100101112002001
412312110133100231231333
512422001033302401421
6144021242310043131
76226115453422240
oct666243720555577
9127575810345061
1030121130122111
119663332774696
1234658156494a7
1313a65447c2a12
14761c28832cc7
153737be0b5691
hex1b651f42db7f

30121130122111 has 16 divisors (see below), whose sum is σ = 34815393016128. Its totient is φ = 25525817856000.

The previous prime is 30121130122099. The next prime is 30121130122159. The reversal of 30121130122111 is 11122103112103.

It is not a de Polignac number, because 30121130122111 - 217 = 30121129991039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121130123111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47163870 + ... + 47798251.

It is an arithmetic number, because the mean of its divisors is an integer number (2175962063508).

Almost surely, 230121130122111 is an apocalyptic number.

30121130122111 is a deficient number, since it is larger than the sum of its proper divisors (4694262894017).

30121130122111 is a wasteful number, since it uses less digits than its factorization.

30121130122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94962642.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 30121130122111 its reverse (11122103112103), we get a palindrome (41243233234214).

The spelling of 30121130122111 in words is "thirty trillion, one hundred twenty-one billion, one hundred thirty million, one hundred twenty-two thousand, one hundred eleven".

Divisors: 1 7 113 401 791 2807 45313 317191 94962121 664734847 10730719673 38079810521 75115037711 266558673647 4303018588873 30121130122111