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11112101001010 = 251816139282321
BaseRepresentation
bin1010000110110011110011…
…0101010011011100110010
31110100022021102110120020201
42201230330311103130302
52424030040324013020
635344455001025414
72224552136030212
oct241547465233462
943308242416221
1011112101001010
1135a4685361199
1212b572418526a
13627b35c9c609
142a5b857c6242
151440b7e65a0a
hexa1b3cd53732

11112101001010 has 16 divisors (see below), whose sum is σ = 20112288886872. Its totient is φ = 4420283270400.

The previous prime is 11112101000963. The next prime is 11112101001061. The reversal of 11112101001010 is 1010010121111.

It can be written as a sum of positive squares in 4 ways, for example, as 3228961018761 + 7883139982249 = 1796931^2 + 2807693^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3069639351 + ... + 3069642970.

Almost surely, 211112101001010 is an apocalyptic number.

11112101001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112101001010 is a deficient number, since it is larger than the sum of its proper divisors (9000187885862).

11112101001010 is a wasteful number, since it uses less digits than its factorization.

11112101001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139282509.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11112101001010 its reverse (1010010121111), we get a palindrome (12122111122121).

The spelling of 11112101001010 in words is "eleven trillion, one hundred twelve billion, one hundred one million, one thousand, ten".

Divisors: 1 2 5 10 181 362 905 1810 6139282321 12278564642 30696411605 61392823210 1111210100101 2222420200202 5556050500505 11112101001010