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11230120302 = 236532866289
BaseRepresentation
bin10100111010101111…
…00000100101101110
31001222122110012221120
422131113200211232
5140444402322202
65054204241410
7545202306342
oct123527404556
931878405846
1011230120302
114843123665
122214b40266
13109c7c95cb
14787693622
1545ad980bc
hex29d5e096e

11230120302 has 16 divisors (see below), whose sum is σ = 22494643920. Its totient is φ = 3737639552.

The previous prime is 11230120301. The next prime is 11230120331. The reversal of 11230120302 is 20302103211.

It is a super-2 number, since 2×112301203022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230120301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1429227 + ... + 1437062.

It is an arithmetic number, because the mean of its divisors is an integer number (1405915245).

Almost surely, 211230120302 is an apocalyptic number.

11230120302 is an abundant number, since it is smaller than the sum of its proper divisors (11264523618).

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

11230120302 is a wasteful number, since it uses less digits than its factorization.

11230120302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866947.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11230120302 its reverse (20302103211), we get a palindrome (31532223513).

The spelling of 11230120302 in words is "eleven billion, two hundred thirty million, one hundred twenty thousand, three hundred two".

Divisors: 1 2 3 6 653 1306 1959 3918 2866289 5732578 8598867 17197734 1871686717 3743373434 5615060151 11230120302