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121030210213 = 11101108938083
BaseRepresentation
bin111000010110111110…
…1100111001010100101
3102120101210200201020021
41300231331213022211
53440332213211323
6131333413235141
711513145545503
oct1605575471245
9376353621207
10121030210213
1147368442320
121b558932ab1
13b54a771103
145c020b9673
15323565305d
hex1c2df672a5

121030210213 has 8 divisors (see below), whose sum is σ = 133340214816. Its totient is φ = 108938082000.

The previous prime is 121030210207. The next prime is 121030210253. The reversal of 121030210213 is 312012030121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121030210213 - 25 = 121030210181 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 (121030210253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54467931 + ... + 54470152.

It is an arithmetic number, because the mean of its divisors is an integer number (16667526852).

Almost surely, 2121030210213 is an apocalyptic number.

It is an amenable number.

121030210213 is a deficient number, since it is larger than the sum of its proper divisors (12310004603).

121030210213 is a wasteful number, since it uses less digits than its factorization.

121030210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108938195.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121030210213 its reverse (312012030121), we get a palindrome (433042240334).

The spelling of 121030210213 in words is "one hundred twenty-one billion, thirty million, two hundred ten thousand, two hundred thirteen".

Divisors: 1 11 101 1111 108938083 1198318913 11002746383 121030210213