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2052721120254 = 237711443747681
BaseRepresentation
bin11101110111101111101…
…101101001001111111110
321021020102122221020211120
4131313233231221033332
5232112433101322004
64211001305331410
7301206225430020
oct35675755511776
97236378836746
102052721120254
11721610615852
122919b8196b66
1311b755ca3b0c
14714d0750010
15385e16ca3d9
hex1ddefb693fe

2052721120254 has 64 divisors (see below), whose sum is σ = 4758446932992. Its totient is φ = 578179123200.

The previous prime is 2052721120201. The next prime is 2052721120259. The reversal of 2052721120254 is 4520211272502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052721120259) 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, 43027294 + ... + 43074974.

It is an arithmetic number, because the mean of its divisors is an integer number (74350733328).

Almost surely, 22052721120254 is an apocalyptic number.

2052721120254 is an abundant number, since it is smaller than the sum of its proper divisors (2705725812738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2052721120254 is a wasteful number, since it uses less digits than its factorization.

2052721120254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62201.

The product of its (nonzero) digits is 22400, while the sum is 33.

Adding to 2052721120254 its reverse (4520211272502), we get a palindrome (6572932392756).

The spelling of 2052721120254 in words is "two trillion, fifty-two billion, seven hundred twenty-one million, one hundred twenty thousand, two hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 14437 28874 43311 47681 86622 95362 101059 143043 202118 286086 303177 333767 606354 667534 1001301 1025027 2002602 2050054 3075081 3385351 6150162 6770702 7175189 10156053 14350378 20312106 21525567 23697457 43051134 47394914 71092371 142184742 688370597 1376741194 2065111791 4130223582 4818594179 9637188358 14455782537 28911565074 48874312387 97748624774 146622937161 293245874322 342120186709 684240373418 1026360560127 2052721120254