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110101001213 = 715728714459
BaseRepresentation
bin110011010001010000…
…1111111001111111101
3101112012010110100222202
41212202201333033331
53300441324014323
6122325114321245
710645256032430
oct1464241771775
9345163410882
10110101001213
114276a165895
1219408729225
13a4c8401338
145486795817
152ce5de8d28
hex19a287f3fd

110101001213 has 4 divisors (see below), whose sum is σ = 125829715680. Its totient is φ = 94372286748.

The previous prime is 110101001201. The next prime is 110101001251. The reversal of 110101001213 is 312100101011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312100101011 = 1092863303679.

It is a cyclic number.

It is not a de Polignac number, because 110101001213 - 210 = 110101000189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110101001194 and 110101001203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7864357223 + ... + 7864357236.

It is an arithmetic number, because the mean of its divisors is an integer number (31457428920).

Almost surely, 2110101001213 is an apocalyptic number.

It is an amenable number.

110101001213 is a deficient number, since it is larger than the sum of its proper divisors (15728714467).

110101001213 is an equidigital number, since it uses as much as digits as its factorization.

110101001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15728714466.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 110101001213 its reverse (312100101011), we get a palindrome (422201102224).

The spelling of 110101001213 in words is "one hundred ten billion, one hundred one million, one thousand, two hundred thirteen".

Divisors: 1 7 15728714459 110101001213