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1301200213312 = 26137877169217
BaseRepresentation
bin10010111011110101100…
…100111001010101000000
311121101121212202121101001
4102323311210321111000
5132304324223311222
62433432500221344
7163002645215506
oct22736544712500
94541555677331
101301200213312
1146192166421a
1219022139a854
1395919964a2c
1446d9ab32676
1523ca94a3e27
hex12ef5939540

1301200213312 has 56 divisors (see below), whose sum is σ = 2603897478504. Its totient is φ = 645110956032.

The previous prime is 1301200213297. The next prime is 1301200213319. The reversal of 1301200213312 is 2133120021031.

It can be written as a sum of positive squares in 4 ways, for example, as 812118182976 + 489082030336 = 901176^2 + 699344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1301200213312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301200213319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7604928 + ... + 7774144.

It is an arithmetic number, because the mean of its divisors is an integer number (46498169259).

Almost surely, 21301200213312 is an apocalyptic number.

It is an amenable number.

1301200213312 is an abundant number, since it is smaller than the sum of its proper divisors (1302697265192).

1301200213312 is a wasteful number, since it uses less digits than its factorization.

1301200213312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170243 (or 170233 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1301200213312 its reverse (2133120021031), we get a palindrome (3434320234343).

The spelling of 1301200213312 in words is "one trillion, three hundred one billion, two hundred million, two hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 137 274 548 877 1096 1754 2192 3508 4384 7016 8768 14032 28064 56128 120149 169217 240298 338434 480596 676868 961192 1353736 1922384 2707472 3844768 5414944 7689536 10829888 23182729 46365458 92730916 148403309 185461832 296806618 370923664 593613236 741847328 1187226472 1483694656 2374452944 4748905888 9497811776 20331253333 40662506666 81325013332 162650026664 325300053328 650600106656 1301200213312