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1211110002030 = 235235931919323
BaseRepresentation
bin10001100111111011110…
…010000000110101101110
311021210002100010200122010
4101213323302000311232
5124320323130031110
62324213134302050
7153333302106345
oct21477362006556
94253070120563
101211110002030
114276a1028055
1217687a357926
138a2902485c6
1442891c70b5c
1521785258020
hex119fbc80d6e

1211110002030 has 128 divisors (see below), whose sum is σ = 3085745725440. Its totient is φ = 303557133440.

The previous prime is 1211110002023. The next prime is 1211110002043. The reversal of 1211110002030 is 302000111121.

It is a junction number, because it is equal to n+sod(n) for n = 1211110001997 and 1211110002015.

It is a congruent 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, 129900949 + ... + 129910271.

It is an arithmetic number, because the mean of its divisors is an integer number (24107388480).

Almost surely, 21211110002030 is an apocalyptic number.

1211110002030 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 1211110002030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542872862720).

1211110002030 is an abundant number, since it is smaller than the sum of its proper divisors (1874635723410).

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

1211110002030 is a wasteful number, since it uses less digits than its factorization.

1211110002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606.

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

Adding to 1211110002030 its reverse (302000111121), we get a palindrome (1513110113151).

The spelling of 1211110002030 in words is "one trillion, two hundred eleven billion, one hundred ten million, two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 59 69 115 118 138 177 230 295 345 354 590 690 885 1357 1770 2714 3191 4071 6382 6785 8142 9323 9573 13570 15955 18646 19146 20355 27969 31910 40710 46615 47865 55938 73393 93230 95730 139845 146786 188269 214429 220179 279690 366965 376538 428858 440358 550057 564807 643287 733930 941345 1072145 1100114 1100895 1129614 1286574 1650171 1882690 2144290 2201790 2750285 2824035 3216435 3300342 4330187 5500570 5648070 6432870 8250855 8660374 12651311 12990561 16501710 21650935 25302622 25981122 29749693 37953933 43301870 59499386 63256555 64952805 75907866 89249079 126513110 129905610 148748465 178498158 189769665 297496930 379539330 446245395 684242939 892490790 1368485878 1755231887 2052728817 3421214695 3510463774 4105457634 5265695661 6842429390 8776159435 10263644085 10531391322 17552318870 20527288170 26328478305 40370333401 52656956610 80740666802 121111000203 201851667005 242222000406 403703334010 605555001015 1211110002030