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2287238819044 = 22192397992
BaseRepresentation
bin100001010010001010000…
…011101010110011100100
322002122202121100201101111
4201102022003222303210
5244433231114202134
64510424253434404
7324150624116254
oct41221203526344
98078677321344
102287238819044
11802015759a43
1230b34779ba04
131378bb61a71a
147c9bac71964
153e76a1b0c64
hex2148a0eace4

2287238819044 has 27 divisors (see below), whose sum is σ = 4224528536067. Its totient is φ = 1083401691768.

The previous prime is 2287238819027. The next prime is 2287238819051. The reversal of 2287238819044 is 4409188327822.

It is a happy number.

The square root of 2287238819044 is 1512362.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×22872388190442 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2287238819044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57449857 + ... + 57489655.

Almost surely, 22287238819044 is an apocalyptic number.

2287238819044 is the 1512362-nd square number.

It is an amenable number.

2287238819044 is a deficient number, since it is larger than the sum of its proper divisors (1937289717023).

2287238819044 is an frugal number, since it uses more digits than its factorization.

2287238819044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79640 (or 39820 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 58.

The spelling of 2287238819044 in words is "two trillion, two hundred eighty-seven billion, two hundred thirty-eight million, eight hundred nineteen thousand, forty-four".

Divisors: 1 2 4 19 38 76 361 722 1444 39799 79598 159196 756181 1512362 3024724 14367439 28734878 57469756 1583960401 3167920802 6335841604 30095247619 60190495238 120380990476 571809704761 1143619409522 2287238819044