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11102100012 = 2232308391667
BaseRepresentation
bin10100101011011110…
…01001101000101100
31001122201120010010100
422111233021220230
5140214114200022
65033352311100
7542056202343
oct122557115054
931581503110
1011102100012
114787934073
12219a0a2490
13107c124c63
1477468ab5a
1544ea0b1ac
hex295bc9a2c

11102100012 has 18 divisors (see below), whose sum is σ = 28063641788. Its totient is φ = 3700699992.

The previous prime is 11102100001. The next prime is 11102100017. The reversal of 11102100012 is 21000120111.

It is a happy number.

11102100012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

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 = 11102099967 and 11102100003.

It is not an unprimeable number, because it can be changed into a prime (11102100017) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 154195798 + ... + 154195869.

Almost surely, 211102100012 is an apocalyptic number.

11102100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102100012 is an abundant number, since it is smaller than the sum of its proper divisors (16961541776).

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

11102100012 is a wasteful number, since it uses less digits than its factorization.

11102100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308391677 (or 308391672 counting only the distinct ones).

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

Adding to 11102100012 its reverse (21000120111), we get a palindrome (32102220123).

The spelling of 11102100012 in words is "eleven billion, one hundred two million, one hundred thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 308391667 616783334 925175001 1233566668 1850350002 2775525003 3700700004 5551050006 11102100012