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12110215060 = 22519107297841
BaseRepresentation
bin10110100011101001…
…10011011110010100
31011020222111122222201
423101310303132110
5144300203340220
65321403534244
7606050062306
oct132164633624
934228448881
1012110215060
11515499a8a9
12241b82a384
1311acc43a38
1482c50b976
154ad291d0a
hex2d1d33794

12110215060 has 48 divisors (see below), whose sum is σ = 27020226240. Its totient is φ = 4546229760.

The previous prime is 12110215037. The next prime is 12110215063. The reversal of 12110215060 is 6051201121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110215063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108261 + ... + 189580.

It is an arithmetic number, because the mean of its divisors is an integer number (562921380).

Almost surely, 212110215060 is an apocalyptic number.

12110215060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110215060 is an abundant number, since it is smaller than the sum of its proper divisors (14910011180).

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

12110215060 is a wasteful number, since it uses less digits than its factorization.

12110215060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297976 (or 297974 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12110215060 its reverse (6051201121), we get a palindrome (18161416181).

The spelling of 12110215060 in words is "twelve billion, one hundred ten million, two hundred fifteen thousand, sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 107 190 214 380 428 535 1070 2033 2140 4066 8132 10165 20330 40660 297841 595682 1191364 1489205 2978410 5658979 5956820 11317958 22635916 28294895 31868987 56589790 63737974 113179580 127475948 159344935 318689870 605510753 637379740 1211021506 2422043012 3027553765 6055107530 12110215060