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1010311000121 = 29118012952149
BaseRepresentation
bin11101011001110110011…
…10100111000000111001
310120120210022101111120102
432230323032213000321
5113023104104000441
62052044103005145
7132664306543613
oct16547316470071
93516708344512
101010311000121
1135a51a2479a5
1214397b1397b5
137436c535947
1436c83a03db3
151b431aa769b
hexeb3b3a7039

1010311000121 has 8 divisors (see below), whose sum is σ = 1045238229000. Its totient is φ = 975389699200.

The previous prime is 1010311000087. The next prime is 1010311000189. The reversal of 1010311000121 is 1210001130101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 518544010000 + 491766990121 = 720100^2 + 701261^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1010311000121 - 230 = 1009237258297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010311006121) 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, 1133846 + ... + 1818303.

It is an arithmetic number, because the mean of its divisors is an integer number (130654778625).

Almost surely, 21010311000121 is an apocalyptic number.

It is an amenable number.

1010311000121 is a deficient number, since it is larger than the sum of its proper divisors (34927228879).

1010311000121 is a wasteful number, since it uses less digits than its factorization.

1010311000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963979.

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

Adding to 1010311000121 its reverse (1210001130101), we get a palindrome (2220312130222).

The spelling of 1010311000121 in words is "one trillion, ten billion, three hundred eleven million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 29 11801 342229 2952149 85612321 34838310349 1010311000121