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2243120311020 = 2235972771391393
BaseRepresentation
bin100000101001000100011…
…000111010101011101100
321221102212220121021222210
4200221010120322223230
5243222402244423040
64434250353010420
7321026420023401
oct40510430725354
97842786537883
102243120311020
11795335a34966
12302894553a10
131336aa222984
147a7d37022a8
153d536d45480
hex20a4463aaec

2243120311020 has 96 divisors (see below), whose sum is σ = 6368399206848. Its totient is φ = 589861158912.

The previous prime is 2243120310929. The next prime is 2243120311039. The reversal of 2243120311020 is 201130213422.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916444 + ... + 2307836.

It is an arithmetic number, because the mean of its divisors is an integer number (66337491738).

Almost surely, 22243120311020 is an apocalyptic number.

2243120311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243120311020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184199603424).

2243120311020 is an abundant number, since it is smaller than the sum of its proper divisors (4125278895828).

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

2243120311020 is a wasteful number, since it uses less digits than its factorization.

2243120311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391779 (or 1391777 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2243120311020 its reverse (201130213422), we get a palindrome (2444250524442).

The spelling of 2243120311020 in words is "two trillion, two hundred forty-three billion, one hundred twenty million, three hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 277 291 388 485 554 582 831 970 1108 1164 1385 1455 1662 1940 2770 2910 3324 4155 5540 5820 8310 16620 26869 53738 80607 107476 134345 161214 268690 322428 403035 537380 806070 1391393 1612140 2782786 4174179 5565572 6956965 8348358 13913930 16696716 20870895 27827860 41741790 83483580 134965121 269930242 385415861 404895363 539860484 674825605 770831722 809790726 1156247583 1349651210 1541663444 1619581452 1927079305 2024476815 2312495166 2699302420 3854158610 4048953630 4624990332 5781237915 7708317220 8097907260 11562475830 23124951660 37385338517 74770677034 112156015551 149541354068 186926692585 224312031102 373853385170 448624062204 560780077755 747706770340 1121560155510 2243120311020