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121023131033033 = 653185334044461
BaseRepresentation
bin11011100001000111100100…
…101111000001110111001001
3120212111200212002022200112122
4123201013210233001313021
5111330320333021024113
61105221131525421025
734330430002365245
oct3341074457016711
9525450762280478
10121023131033033
113561a692446629
12116a711586a775
13526b5809723b8
1421c579d553425
15ded151961408
hex6e11e4bc1dc9

121023131033033 has 4 divisors (see below), whose sum is σ = 121208465078148. Its totient is φ = 120837796987920.

The previous prime is 121023131033023. The next prime is 121023131033047. The reversal of 121023131033033 is 330330131320121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25217149502224 + 95805981530809 = 5021668^2 + 9788053^2 .

It is a cyclic number.

It is not a de Polignac number, because 121023131033033 - 28 = 121023131032777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121023131032993 and 121023131033011.

It is not an unprimeable number, because it can be changed into a prime (121023131033023) 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, 92667021578 + ... + 92667022883.

It is an arithmetic number, because the mean of its divisors is an integer number (30302116269537).

Almost surely, 2121023131033033 is an apocalyptic number.

It is an amenable number.

121023131033033 is a deficient number, since it is larger than the sum of its proper divisors (185334045115).

121023131033033 is an equidigital number, since it uses as much as digits as its factorization.

121023131033033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185334045114.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 121023131033033 its reverse (330330131320121), we get a palindrome (451353262353154).

The spelling of 121023131033033 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred thirty-one million, thirty-three thousand, thirty-three".

Divisors: 1 653 185334044461 121023131033033