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1000231221110 = 251118269497729
BaseRepresentation
bin11101000111000100110…
…11010011011101110110
310112121202211111200012212
432203202123103131312
5112341433143033420
62043255550213422
7132156443046032
oct16434233233566
93477684450185
101000231221110
113562174a2820
12141a274b4272
1373424164874
14365a90351c2
151b041bdb3c5
hexe8e26d3776

1000231221110 has 32 divisors (see below), whose sum is σ = 1964201853600. Its totient is φ = 363699804160.

The previous prime is 1000231221109. The next prime is 1000231221131. The reversal of 1000231221110 is 111221320001.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1760726 + ... + 2258454.

It is an arithmetic number, because the mean of its divisors is an integer number (61381307925).

Almost surely, 21000231221110 is an apocalyptic number.

1000231221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000231221110 is a deficient number, since it is larger than the sum of its proper divisors (963970632490).

1000231221110 is a wasteful number, since it uses less digits than its factorization.

1000231221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516016.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1000231221110 its reverse (111221320001), we get a palindrome (1111452541111).

The spelling of 1000231221110 in words is "one trillion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 18269 36538 91345 182690 200959 401918 497729 995458 1004795 2009590 2488645 4977290 5475019 10950038 27375095 54750190 9093011101 18186022202 45465055505 90930111010 100023122111 200046244222 500115610555 1000231221110