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11311110120 = 23352931104849
BaseRepresentation
bin10101000100011000…
…11101011111101000
31002012021211221002110
422202030131133220
5141131121010440
65110220202320
7550204564302
oct124214353750
932167757073
1011311110120
1148849104a2
1222380993a0
1310b351538b
14794336972
15463045080
hex2a231d7e8

11311110120 has 128 divisors (see below), whose sum is σ = 36236160000. Its totient is φ = 2818314240.

The previous prime is 11311110043. The next prime is 11311110137. The reversal of 11311110120 is 2101111311.

11311110120 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 = 11311110096 and 11311110105.

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, 55456 + ... + 160304.

It is an arithmetic number, because the mean of its divisors is an integer number (283095000).

Almost surely, 211311110120 is an apocalyptic number.

11311110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11311110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18118080000).

11311110120 is an abundant number, since it is smaller than the sum of its proper divisors (24925049880).

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

11311110120 is a wasteful number, since it uses less digits than its factorization.

11311110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104923 (or 104919 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11311110120 its reverse (2101111311), we get a palindrome (13412221431).

The spelling of 11311110120 in words is "eleven billion, three hundred eleven million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 29 30 31 40 58 60 62 87 93 116 120 124 145 155 174 186 232 248 290 310 348 372 435 465 580 620 696 744 870 899 930 1160 1240 1740 1798 1860 2697 3480 3596 3720 4495 5394 7192 8990 10788 13485 17980 21576 26970 35960 53940 104849 107880 209698 314547 419396 524245 629094 838792 1048490 1258188 1572735 2096980 2516376 3040621 3145470 3250319 4193960 6081242 6290940 6500638 9121863 9750957 12162484 12581880 13001276 15203105 16251595 18243726 19501914 24324968 26002552 30406210 32503190 36487452 39003828 45609315 48754785 60812420 65006380 72974904 78007656 91218630 94259251 97509570 121624840 130012760 182437260 188518502 195019140 282777753 364874520 377037004 390038280 471296255 565555506 754074008 942592510 1131111012 1413888765 1885185020 2262222024 2827777530 3770370040 5655555060 11311110120