Search a number
-
+
121302231110 = 2512130223111
BaseRepresentation
bin111000011111000101…
…1010010100001000110
3102121002202112210202022
41300332023102201012
53441411332343420
6131420411443142
711522660644364
oct1607613224106
9377082483668
10121302231110
1147497a46685
121b613a564b2
13b591c23a18
145c2a288634
15324e486c25
hex1c3e2d2846

121302231110 has 8 divisors (see below), whose sum is σ = 218344016016. Its totient is φ = 48520892440.

The previous prime is 121302231101. The next prime is 121302231119. The reversal of 121302231110 is 11132203121.

It is an interprime number because it is at equal distance from previous prime (121302231101) and next prime (121302231119).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302231119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6065111546 + ... + 6065111565.

It is an arithmetic number, because the mean of its divisors is an integer number (27293002002).

Almost surely, 2121302231110 is an apocalyptic number.

121302231110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121302231110 is a deficient number, since it is larger than the sum of its proper divisors (97041784906).

121302231110 is a wasteful number, since it uses less digits than its factorization.

121302231110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130223118.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121302231110 its reverse (11132203121), we get a palindrome (132434434231).

The spelling of 121302231110 in words is "one hundred twenty-one billion, three hundred two million, two hundred thirty-one thousand, one hundred ten".

Divisors: 1 2 5 10 12130223111 24260446222 60651115555 121302231110