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13011122310 = 2352329691941
BaseRepresentation
bin11000001111000010…
…11111100010000110
31020120202201111101220
430013201133202012
5203121321403220
65551025301210
7640266500124
oct140741374206
936522644356
1013011122310
11557749184a
122631494806
1312c4797354
148b6022914
155123ec540
hex30785f886

13011122310 has 128 divisors (see below), whose sum is σ = 33792629760. Its totient is φ = 3196300800.

The previous prime is 13011122303. The next prime is 13011122317. The reversal of 13011122310 is 1322111031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13011122303) and next prime (13011122317).

It is a super-2 number, since 2×130111223102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13011122310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011122317) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13826440 + ... + 13827380.

It is an arithmetic number, because the mean of its divisors is an integer number (264004920).

Almost surely, 213011122310 is an apocalyptic number.

13011122310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13011122310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16896314880).

13011122310 is an abundant number, since it is smaller than the sum of its proper divisors (20781507450).

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

13011122310 is a wasteful number, since it uses less digits than its factorization.

13011122310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13011122310 its reverse (1322111031), we get a palindrome (14333233341).

The spelling of 13011122310 in words is "thirteen billion, eleven million, one hundred twenty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 23 29 30 46 58 69 87 115 138 145 174 230 290 345 435 667 690 691 870 941 1334 1382 1882 2001 2073 2823 3335 3455 4002 4146 4705 5646 6670 6910 9410 10005 10365 14115 15893 20010 20039 20730 21643 27289 28230 31786 40078 43286 47679 54578 60117 64929 79465 81867 95358 100195 108215 120234 129858 136445 158930 163734 200390 216430 238395 272890 300585 324645 409335 460897 476790 601170 627647 649290 650231 818670 921794 1255294 1300462 1382691 1882941 1950693 2304485 2765382 3138235 3251155 3765882 3901386 4608970 6276470 6502310 6913455 9414705 9753465 13826910 14955313 18829410 18856699 19506930 29910626 37713398 44865939 56570097 74776565 89731878 94283495 113140194 149553130 188566990 224329695 282850485 433704077 448659390 565700970 867408154 1301112231 2168520385 2602224462 4337040770 6505561155 13011122310