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121303312311010 = 2512130331231101
BaseRepresentation
bin11011100101001100100000…
…110101110010001011100010
3120220111111001101211022200011
4123211030200311302023202
5111344413140422423020
61105553550010515134
734356606106064134
oct3345144065621342
9526444041738604
10121303312311010
113571849a479715
1211731489a35aaa
13528bb12826b4b
1421d517c4bb054
15e0559e26135a
hex6e5320d722e2

121303312311010 has 8 divisors (see below), whose sum is σ = 218345962159836. Its totient is φ = 48521324924400.

The previous prime is 121303312310963. The next prime is 121303312311011. The reversal of 121303312311010 is 10113213303121.

It can be written as a sum of positive squares in 2 ways, for example, as 113535993476929 + 7767318834081 = 10655327^2 + 2786991^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121303312311011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6065165615541 + ... + 6065165615560.

Almost surely, 2121303312311010 is an apocalyptic number.

121303312311010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303312311010 is a deficient number, since it is larger than the sum of its proper divisors (97042649848826).

121303312311010 is a wasteful number, since it uses less digits than its factorization.

121303312311010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12130331231108.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 121303312311010 its reverse (10113213303121), we get a palindrome (131416525614131).

The spelling of 121303312311010 in words is "one hundred twenty-one trillion, three hundred three billion, three hundred twelve million, three hundred eleven thousand, ten".

Divisors: 1 2 5 10 12130331231101 24260662462202 60651656155505 121303312311010