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2141231320 = 235149359267
BaseRepresentation
bin111111110100000…
…1001100011011000
312112020002211011201
41333220021203120
513341123400240
6552250003544
7104030110624
oct17750114330
95466084151
102141231320
119a973a868
124b91165b4
132817c5ca7
14164540184
15c7eadd9a
hex7fa098d8

2141231320 has 32 divisors (see below), whose sum is σ = 4850118000. Its totient is φ = 850741888.

The previous prime is 2141231317. The next prime is 2141231347. The reversal of 2141231320 is 231321412.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173674 + ... + 185593.

Almost surely, 22141231320 is an apocalyptic number.

2141231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2141231320 is an abundant number, since it is smaller than the sum of its proper divisors (2708886680).

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

2141231320 is a wasteful number, since it uses less digits than its factorization.

2141231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359427 (or 359423 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2141231320 is about 46273.4407624936. The cubic root of 2141231320 is about 1288.9058526745.

Adding to 2141231320 its reverse (231321412), we get a palindrome (2372552732).

The spelling of 2141231320 in words is "two billion, one hundred forty-one million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 5960 359267 718534 1437068 1796335 2874136 3592670 7185340 14370680 53530783 107061566 214123132 267653915 428246264 535307830 1070615660 2141231320