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2213202020321 = 19414441639739
BaseRepresentation
bin100000001101001101000…
…111101100011111100001
321211120122212001122201002
4200031031013230133201
5242230114204122241
64412421520121345
7315620131530155
oct40151507543741
97746585048632
102213202020321
1178368292a286
122b8b24a66255
1313091ca68c96
1479196087065
153c8854ab89b
hex2034d1ec7e1

2213202020321 has 16 divisors (see below), whose sum is σ = 2387049067200. Its totient is φ = 2045114438400.

The previous prime is 2213202020297. The next prime is 2213202020353. The reversal of 2213202020321 is 1230202023122.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2213202020321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2213202020293 and 2213202020302.

It is not an unprimeable number, because it can be changed into a prime (2213202020521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3139670 + ... + 3779408.

It is an arithmetic number, because the mean of its divisors is an integer number (149190566700).

Almost surely, 22213202020321 is an apocalyptic number.

It is an amenable number.

2213202020321 is a deficient number, since it is larger than the sum of its proper divisors (173847046879).

2213202020321 is a wasteful number, since it uses less digits than its factorization.

2213202020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644240.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2213202020321 its reverse (1230202023122), we get a palindrome (3443404043443).

The spelling of 2213202020321 in words is "two trillion, two hundred thirteen billion, two hundred two million, twenty thousand, three hundred twenty-one".

Divisors: 1 19 41 779 4441 84379 182081 639739 3459539 12155041 26229299 498356681 2841080899 53980537081 116484316859 2213202020321