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2013331133221 = 232833178391163
BaseRepresentation
bin11101010011000011111…
…000110001001100100101
321010110202111201120210221
4131103003320301030211
5230441300232230341
64140524521244341
7265313136160462
oct35230370611445
97113674646727
102013331133221
11706937a34561
122862446336b1
13117b19414895
146d6351b4669
153758853ced1
hex1d4c3e31325

2013331133221 has 32 divisors (see below), whose sum is σ = 2119283066880. Its totient is φ = 1909013582784.

The previous prime is 2013331133207. The next prime is 2013331133237. The reversal of 2013331133221 is 1223311333102.

It is a cyclic number.

It is not a de Polignac number, because 2013331133221 - 215 = 2013331100453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013331133251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1731152586 + ... + 1731153748.

It is an arithmetic number, because the mean of its divisors is an integer number (66227595840).

Almost surely, 22013331133221 is an apocalyptic number.

It is an amenable number.

2013331133221 is a deficient number, since it is larger than the sum of its proper divisors (105951933659).

2013331133221 is a wasteful number, since it uses less digits than its factorization.

2013331133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2013331133221 its reverse (1223311333102), we get a palindrome (3236642466323).

The spelling of 2013331133221 in words is "two trillion, thirteen billion, three hundred thirty-one million, one hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 23 283 317 839 1163 6509 7291 19297 26749 89711 237437 265963 329129 368671 975757 2063353 5461051 6117149 7569967 8479433 22442411 75267529 104333893 276139231 309314969 1731153167 2399679539 6351202313 7114244287 87536136227 2013331133221