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11230231220312 = 2313263341011391
BaseRepresentation
bin1010001101101011110111…
…1100010101000001011000
31110202121012010022110211012
42203122331330111001120
52432444003143022222
635515032541353052
72236233412234016
oct243327574250130
943677163273735
1011230231220312
11363a794830405
1213145b1868788
136360109a3b70
142ab79068d8b6
151471cdbcc1e2
hexa36bdf15058

11230231220312 has 32 divisors (see below), whose sum is σ = 22685041370880. Its totient is φ = 5181214967040.

The previous prime is 11230231220297. The next prime is 11230231220359. The reversal of 11230231220312 is 21302213203211.

11230231220312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112302312203122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20231864 + ... + 20779527.

It is an arithmetic number, because the mean of its divisors is an integer number (708907542840).

Almost surely, 211230231220312 is an apocalyptic number.

It is an amenable number.

11230231220312 is an abundant number, since it is smaller than the sum of its proper divisors (11454810150568).

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

11230231220312 is a wasteful number, since it uses less digits than its factorization.

11230231220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41014043 (or 41014039 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11230231220312 its reverse (21302213203211), we get a palindrome (32532444423523).

The spelling of 11230231220312 in words is "eleven trillion, two hundred thirty billion, two hundred thirty-one million, two hundred twenty thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 2633 5266 10532 21064 34229 68458 136916 273832 41011391 82022782 164045564 328091128 533148083 1066296166 2132592332 4265184664 107982992503 215965985006 431931970012 863863940024 1403778902539 2807557805078 5615115610156 11230231220312