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13111110223120 = 2457131800976679
BaseRepresentation
bin1011111011001010101100…
…0100010100010100010000
31201102102001210222200110101
42332302223010110110100
53204303023204114440
643515054430142144
72522150351044060
oct276625304242420
951372053880411
1013111110223120
1141a5432a07978
121579030351954
137414ac1a5280
1433481c8493a0
1517b0b3e8469a
hexbecab114510

13111110223120 has 80 divisors (see below), whose sum is σ = 37517946197760. Its totient is φ = 4149450266112.

The previous prime is 13111110223109. The next prime is 13111110223153. The reversal of 13111110223120 is 2132201111131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×131111102231202 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900481060 + ... + 900495619.

It is an arithmetic number, because the mean of its divisors is an integer number (468974327472).

Almost surely, 213111110223120 is an apocalyptic number.

13111110223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111110223120 is an abundant number, since it is smaller than the sum of its proper divisors (24406835974640).

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

13111110223120 is a wasteful number, since it uses less digits than its factorization.

13111110223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800976712 (or 1800976706 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 13111110223120 its reverse (2132201111131), we get a palindrome (15243311334251).

The spelling of 13111110223120 in words is "thirteen trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 260 280 364 455 520 560 728 910 1040 1456 1820 3640 7280 1800976679 3601953358 7203906716 9004883395 12606836753 14407813432 18009766790 23412696827 25213673506 28815626864 36019533580 46825393654 50427347012 63034183765 72039067160 93650787308 100854694024 117063484135 126068367530 144078134320 163888877789 187301574616 201709388048 234126968270 252136735060 327777755578 374603149232 468253936540 504273470120 655555511156 819444388945 936507873080 1008546940240 1311111022312 1638888777890 1873015746160 2622222044624 3277777555780 6555555111560 13111110223120