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1890539219010 = 2351379220727803
BaseRepresentation
bin11011100000101100111…
…010110010100001000010
320200201210221002001000110
4123200230322302201002
5221433311020002020
64004300212332150
7253405216134501
oct33405472624102
96621727061013
101890539219010
11669856114a22
12266495914056
1310937a9a1790
1467707150838
153429d3e88e0
hex1b82ceb2842

1890539219010 has 128 divisors (see below), whose sum is σ = 4950588948480. Its totient is φ = 459248115456.

The previous prime is 1890539218969. The next prime is 1890539219047. The reversal of 1890539219010 is 109129350981.

It is a super-2 number, since 2×18905392190102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67983769 + ... + 68011571.

It is an arithmetic number, because the mean of its divisors is an integer number (38676476160).

Almost surely, 21890539219010 is an apocalyptic number.

1890539219010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1890539219010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475294474240).

1890539219010 is an abundant number, since it is smaller than the sum of its proper divisors (3060049729470).

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

1890539219010 is a wasteful number, since it uses less digits than its factorization.

1890539219010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30112.

The product of its (nonzero) digits is 174960, while the sum is 48.

The spelling of 1890539219010 in words is "one trillion, eight hundred ninety billion, five hundred thirty-nine million, two hundred nineteen thousand, ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 79 130 158 195 237 390 395 474 790 1027 1185 2054 2207 2370 3081 4414 5135 6162 6621 10270 11035 13242 15405 22070 27803 28691 30810 33105 55606 57382 66210 83409 86073 139015 143455 166818 172146 174353 278030 286910 348706 361439 417045 430365 523059 722878 834090 860730 871765 1046118 1084317 1743530 1807195 2168634 2196437 2266589 2615295 3614390 4392874 4533178 5230590 5421585 6589311 6799767 10843170 10982185 11332945 13178622 13599534 21964370 22665890 28553681 32946555 33998835 57107362 61361221 65893110 67997670 85661043 122722442 142768405 171322086 184083663 285536810 306806105 368167326 428305215 613612210 797695873 856610430 920418315 1595391746 1840836630 2393087619 3988479365 4786175238 4847536459 7976958730 9695072918 11965438095 14542609377 23930876190 24237682295 29085218754 48475364590 63017973967 72713046885 126035947934 145426093770 189053921901 315089869835 378107843802 630179739670 945269609505 1890539219010