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20133010123021 = 44394148296467
BaseRepresentation
bin1001001001111100101001…
…11010101010100100001101
32122021200211002110211210101
410210332110322222210031
510114324401042414041
6110452551022411101
74145363521303045
oct444762472524415
978250732424711
1020133010123021
1164623a8391144
122311ab4430a91
13b306c49a5643
144d862b406725
1524da8c0dcb31
hex124f94eaa90d

20133010123021 has 8 divisors (see below), whose sum is σ = 20199901148064. Its totient is φ = 20066215693680.

The previous prime is 20133010122983. The next prime is 20133010123033. The reversal of 20133010123021 is 12032101033102.

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 20133010123021 - 215 = 20133010090253 is a prime.

It is a super-2 number, since 2×201330101230212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20133010123021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133010123321) 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, 23731371 + ... + 24565096.

It is an arithmetic number, because the mean of its divisors is an integer number (2524987643508).

Almost surely, 220133010123021 is an apocalyptic number.

It is an amenable number.

20133010123021 is a deficient number, since it is larger than the sum of its proper divisors (66891025043).

20133010123021 is an equidigital number, since it uses as much as digits as its factorization.

20133010123021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48297851.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20133010123021 its reverse (12032101033102), we get a palindrome (32165111156123).

The spelling of 20133010123021 in words is "twenty trillion, one hundred thirty-three billion, ten million, one hundred twenty-three thousand, twenty-one".

Divisors: 1 443 941 416863 48296467 21395334881 45446975447 20133010123021