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13111010220 = 22357112837881
BaseRepresentation
bin11000011010111101…
…00010001110101100
31020211201200022212010
430031132202032230
5203322404311340
610004554241220
7642621514410
oct141536421654
936751608763
1013111010220
115618907040
12265aa26210
13130c39bb19
148c53c4d40
1551b07db80
hex30d7a23ac

13111010220 has 96 divisors (see below), whose sum is σ = 45769360896. Its totient is φ = 2724364800.

The previous prime is 13111010201. The next prime is 13111010233. The reversal of 13111010220 is 2201011131.

13111010220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13111010196 and 13111010205.

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 31 ways as a sum of consecutive naturals, for example, 1414321 + ... + 1423560.

It is an arithmetic number, because the mean of its divisors is an integer number (476764176).

Almost surely, 213111010220 is an apocalyptic number.

13111010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111010220 is an abundant number, since it is smaller than the sum of its proper divisors (32658350676).

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

13111010220 is a wasteful number, since it uses less digits than its factorization.

13111010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837911 (or 2837909 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 13111010220 its reverse (2201011131), we get a palindrome (15312021351).

The spelling of 13111010220 in words is "thirteen billion, one hundred eleven million, ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1155 1540 2310 4620 2837881 5675762 8513643 11351524 14189405 17027286 19865167 28378810 31216691 34054572 39730334 42568215 56757620 59595501 62433382 79460668 85136430 93650073 99325835 119191002 124866764 156083455 170272860 187300146 198651670 218516837 238382004 297977505 312166910 374600292 397303340 437033674 468250365 595955010 624333820 655550511 874067348 936500730 1092584185 1191910020 1311101022 1873001460 2185168370 2622202044 3277752555 4370336740 6555505110 13111010220