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2231000430000 = 2435474366681
BaseRepresentation
bin100000011101110001111…
…111001111010110110000
321220021121020220112210120
4200131301333033112300
5243023042102230000
64424524001530240
7320120161522326
oct40356177172660
97807536815716
102231000430000
11790186642971
12300471643980
131324c82a6444
1479da3bd9d16
153d077ce46a0
hex20771fcf5b0

2231000430000 has 100 divisors (see below), whose sum is σ = 7201966951608. Its totient is φ = 594933440000.

The previous prime is 2231000429971. The next prime is 2231000430007. The reversal of 2231000430000 is 340001322.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-3 number, since 3×22310004300003 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2231000430007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37153341 + ... + 37213340.

Almost surely, 22231000430000 is an apocalyptic number.

2231000430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231000430000 is an abundant number, since it is smaller than the sum of its proper divisors (4970966521608).

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

2231000430000 is an equidigital number, since it uses as much as digits as its factorization.

2231000430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74366712 (or 74366691 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 2231000430000 its reverse (340001322), we get a palindrome (2231340431322).

The spelling of 2231000430000 in words is "two trillion, two hundred thirty-one billion, four hundred thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 30000 74366681 148733362 223100043 297466724 371833405 446200086 594933448 743666810 892400172 1115500215 1189866896 1487333620 1784800344 1859167025 2231000430 2974667240 3569600688 3718334050 4462000860 5577501075 5949334480 7436668100 8924001720 9295835125 11155002150 14873336200 17848003440 18591670250 22310004300 27887505375 29746672400 37183340500 44620008600 46479175625 55775010750 74366681000 89240017200 92958351250 111550021500 139437526875 148733362000 185916702500 223100043000 278875053750 371833405000 446200086000 557750107500 743666810000 1115500215000 2231000430000