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23020211020013 = 149346144639717
BaseRepresentation
bin1010011101111110011111…
…00000000010000011101101
310000111201012002022222101122
411032333033200002003231
511004130343010120023
6120543201113550325
74564104201065414
oct516771740020355
9100451162288348
1023020211020013
1173758a8a92239
1226b957a1153a5
13caca4813377c
1459828148a47b
1529dc1db2a2c8
hex14efcf8020ed

23020211020013 has 8 divisors (see below), whose sum is σ = 23181405557400. Its totient is φ = 22859105769280.

The previous prime is 23020211019997. The next prime is 23020211020061. The reversal of 23020211020013 is 31002011202032.

It can be written as a sum of positive squares in 4 ways, for example, as 47620841284 + 22972590178729 = 218222^2 + 4792973^2 .

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 23020211020013 - 24 = 23020211019997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23020211019973 and 23020211020000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020211020073) 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 7 ways as a sum of consecutive naturals, for example, 21804170 + ... + 22835547.

It is an arithmetic number, because the mean of its divisors is an integer number (2897675694675).

Almost surely, 223020211020013 is an apocalyptic number.

It is an amenable number.

23020211020013 is a deficient number, since it is larger than the sum of its proper divisors (161194537387).

23020211020013 is a wasteful number, since it uses less digits than its factorization.

23020211020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44643327.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23020211020013 its reverse (31002011202032), we get a palindrome (54022222222045).

The spelling of 23020211020013 in words is "twenty-three trillion, twenty billion, two hundred eleven million, twenty thousand, thirteen".

Divisors: 1 149 3461 515689 44639717 6651317833 154498060537 23020211020013