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13111222320330 = 235735986859507
BaseRepresentation
bin1011111011001011000110…
…1111111011110011001010
31201102102100121220210220220
42332302301233323303022
53204303240403222310
643515113512530510
72522153211622101
oct276626157736312
951372317823826
1013111222320330
1141a54902111a2
1215790619b0a36
137414c9493094
1433482d6a9038
1517b0bdc28670
hexbecb1bfbcca

13111222320330 has 32 divisors (see below), whose sum is σ = 31897987458624. Its totient is φ = 3448431075456.

The previous prime is 13111222320319. The next prime is 13111222320353. The reversal of 13111222320330 is 3302322211131.

It is a self number, because there is not a number n which added to its sum of digits gives 13111222320330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2993427564 + ... + 2993431943.

It is an arithmetic number, because the mean of its divisors is an integer number (996812108082).

Almost surely, 213111222320330 is an apocalyptic number.

13111222320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111222320330 is an abundant number, since it is smaller than the sum of its proper divisors (18786765138294).

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

13111222320330 is a wasteful number, since it uses less digits than its factorization.

13111222320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986859590.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13111222320330 its reverse (3302322211131), we get a palindrome (16413544531461).

The spelling of 13111222320330 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-two million, three hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 5986859507 11973719014 17960578521 29934297535 35921157042 59868595070 89802892605 179605785210 437040744011 874081488022 1311122232033 2185203720055 2622244464066 4370407440110 6555611160165 13111222320330