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11111313210 = 235735073659
BaseRepresentation
bin10100101100100100…
…10010111100111010
31001200100220012020220
422112102102330322
5140223444010320
65034322000510
7542230414104
oct122622227472
931610805226
1011111313210
114792057088
1221a11a6136
131080ccc65a
147759a8574
1545072ae40
hex296492f3a

11111313210 has 32 divisors (see below), whose sum is σ = 27032460480. Its totient is φ = 2922427008.

The previous prime is 11111313209. The next prime is 11111313217. The reversal of 11111313210 is 1231311111.

11111313210 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 2×111113132102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11111313210.

It is not an unprimeable number, because it can be changed into a prime (11111313217) 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 15 ways as a sum of consecutive naturals, for example, 2534640 + ... + 2539019.

It is an arithmetic number, because the mean of its divisors is an integer number (844764390).

Almost surely, 211111313210 is an apocalyptic number.

11111313210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111313210 is an abundant number, since it is smaller than the sum of its proper divisors (15921147270).

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

11111313210 is a wasteful number, since it uses less digits than its factorization.

11111313210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073742.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11111313210 its reverse (1231311111), we get a palindrome (12342624321).

The spelling of 11111313210 in words is "eleven billion, one hundred eleven million, three hundred thirteen thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 5073659 10147318 15220977 25368295 30441954 50736590 76104885 152209770 370377107 740754214 1111131321 1851885535 2222262642 3703771070 5555656605 11111313210