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11021204232 = 2332153072281
BaseRepresentation
bin10100100001110101…
…00011101100001000
31001110002100011222100
422100322203230020
5140032412013412
65021342353400
7540054455523
oct122072435410
931402304870
1011021204232
114746200955
122176b8b860
13106843cc2c
14767a2dbba
1544787bedc
hex290ea3b08

11021204232 has 24 divisors (see below), whose sum is σ = 29849094990. Its totient is φ = 3673734720.

The previous prime is 11021204231. The next prime is 11021204237. The reversal of 11021204232 is 23240212011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6815162916 + 4206041316 = 82554^2 + 64854^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11021204231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76536069 + ... + 76536212.

Almost surely, 211021204232 is an apocalyptic number.

11021204232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11021204232 is an abundant number, since it is smaller than the sum of its proper divisors (18827890758).

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

11021204232 is a wasteful number, since it uses less digits than its factorization.

11021204232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153072293 (or 153072286 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11021204232 its reverse (23240212011), we get a palindrome (34261416243).

The spelling of 11021204232 in words is "eleven billion, twenty-one million, two hundred four thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 153072281 306144562 459216843 612289124 918433686 1224578248 1377650529 1836867372 2755301058 3673734744 5510602116 11021204232