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11231103012210 = 23351031009400249
BaseRepresentation
bin1010001101101111000111…
…1001111100110101110010
31110202200102212202002111000
42203123301321330311302
52433002244332342320
635515255243102430
72236264126316244
oct243336171746562
943680385662430
1011231103012210
1136400a1946584
1213147b5811a16
1363611c4a2063
142ab834386094
151472304d5c90
hexa36f1e7cd72

11231103012210 has 128 divisors (see below), whose sum is σ = 30270427200000. Its totient is φ = 2962936682496.

The previous prime is 11231103012097. The next prime is 11231103012223. The reversal of 11231103012210 is 1221030113211.

11231103012210 is a `hidden beast` number, since 11 + 23 + 110 + 301 + 221 + 0 = 666.

It is a super-2 number, since 2×112311030122102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27860166 + ... + 28260414.

It is an arithmetic number, because the mean of its divisors is an integer number (236487712500).

Almost surely, 211231103012210 is an apocalyptic number.

11231103012210 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 11231103012210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15135213600000).

11231103012210 is an abundant number, since it is smaller than the sum of its proper divisors (19039324187790).

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

11231103012210 is a wasteful number, since it uses less digits than its factorization.

11231103012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401377 (or 401371 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11231103012210 its reverse (1221030113211), we get a palindrome (12452133125421).

The spelling of 11231103012210 in words is "eleven trillion, two hundred thirty-one billion, one hundred three million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 103 135 206 270 309 515 618 927 1009 1030 1545 1854 2018 2781 3027 3090 4635 5045 5562 6054 9081 9270 10090 13905 15135 18162 27243 27810 30270 45405 54486 90810 103927 136215 207854 272430 311781 400249 519635 623562 800498 935343 1039270 1200747 1558905 1870686 2001245 2401494 2806029 3117810 3602241 4002490 4676715 5612058 6003735 7204482 9353430 10806723 12007470 14030145 18011205 21613446 28060290 36022410 41225647 54033615 82451294 108067230 123676941 206128235 247353882 371030823 403851241 412256470 618384705 742061646 807702482 1113092469 1211553723 1236769410 1855154115 2019256205 2226184938 2423107446 3634661169 3710308230 4038512410 5565462345 6057768615 7269322338 10903983507 11130924690 12115537230 18173305845 21807967014 36346611690 41596677823 54519917535 83193355646 109039835070 124790033469 207983389115 249580066938 374370100407 415966778230 623950167345 748740200814 1123110301221 1247900334690 1871850502035 2246220602442 3743701004070 5615551506105 11231103012210