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11031012 = 2233102139
BaseRepresentation
bin101010000101…
…000111100100
3202202102201000
4222011013210
510310443022
61032233300
7162522246
oct52050744
922672630
1011031012
116254843
12383b830
132392c35
141672096
15e7d6ac
hexa851e4

11031012 has 24 divisors (see below), whose sum is σ = 28599200. Its totient is φ = 3676968.

The previous prime is 11030989. The next prime is 11031017. The reversal of 11031012 is 21013011.

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 = 11030985 and 11031003.

It is not an unprimeable number, because it can be changed into a prime (11031017) 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, 50962 + ... + 51177.

Almost surely, 211031012 is an apocalyptic number.

11031012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11031012 is an abundant number, since it is smaller than the sum of its proper divisors (17568188).

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

11031012 is a wasteful number, since it uses less digits than its factorization.

11031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102152 (or 102144 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 11031012 is about 3321.2967347107. The cubic root of 11031012 is about 222.6068131683.

Adding to 11031012 its reverse (21013011), we get a palindrome (32044023).

The spelling of 11031012 in words is "eleven million, thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 102139 204278 306417 408556 612834 919251 1225668 1838502 2757753 3677004 5515506 11031012