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11131213013 = 67728795711
BaseRepresentation
bin10100101110111100…
…01101010011010101
31001201202100012122122
422113132031103111
5140244042304023
65040312305325
7542561515034
oct122736152325
931652305578
1011131213013
1147a23090a8
1221a79a2245
13108517929b
147784a871b
1545235c2c8
hex29778d4d5

11131213013 has 8 divisors (see below), whose sum is σ = 11153479680. Its totient is φ = 11108964880.

The previous prime is 11131213003. The next prime is 11131213021. The reversal of 11131213013 is 31031213111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131213013 - 26 = 11131212949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131212982 and 11131213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131213003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946228 + ... + 1951938.

It is an arithmetic number, because the mean of its divisors is an integer number (1394184960).

Almost surely, 211131213013 is an apocalyptic number.

It is an amenable number.

11131213013 is a deficient number, since it is larger than the sum of its proper divisors (22266667).

11131213013 is an equidigital number, since it uses as much as digits as its factorization.

11131213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11131213013 its reverse (31031213111), we get a palindrome (42162426124).

The spelling of 11131213013 in words is "eleven billion, one hundred thirty-one million, two hundred thirteen thousand, thirteen".

Divisors: 1 677 2879 5711 1949083 3866347 16441969 11131213013