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11212001010 = 2325717796827
BaseRepresentation
bin10100111000100100…
…11000111011110010
31001221101100122221200
422130102120323302
5140430233013020
65052320032030
7544562302410
oct123422307362
931841318850
1011212001010
114833978341
12220aa62616
131098b24232
147850d82b0
154594b9590
hex29c498ef2

11212001010 has 48 divisors (see below), whose sum is σ = 33315662016. Its totient is φ = 2562742944.

The previous prime is 11212000993. The next prime is 11212001089. The reversal of 11212001010 is 1010021211.

It is a happy number.

11212001010 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 (9).

It is a junction number, because it is equal to n+sod(n) for n = 11212000983 and 11212001001.

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 23 ways as a sum of consecutive naturals, for example, 8897784 + ... + 8899043.

It is an arithmetic number, because the mean of its divisors is an integer number (694076292).

Almost surely, 211212001010 is an apocalyptic number.

11212001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11212001010 is an abundant number, since it is smaller than the sum of its proper divisors (22103661006).

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

11212001010 is a wasteful number, since it uses less digits than its factorization.

11212001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17796847 (or 17796844 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11212001010 its reverse (1010021211), we get a palindrome (12222022221).

The spelling of 11212001010 in words is "eleven billion, two hundred twelve million, one thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 17796827 35593654 53390481 88984135 106780962 124577789 160171443 177968270 249155578 266952405 320342886 373733367 533904810 622888945 747466734 800857215 1121200101 1245777890 1601714430 1868666835 2242400202 3737333670 5606000505 11212001010