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11002103231 = 721714988643
BaseRepresentation
bin10100011111100011…
…01100010110111111
31001101202101202022212
422033301230112333
5140013014300411
65015421131035
7536433222500
oct121761542677
931352352285
1011002103231
114736444aa9
1221706b9a7b
1310644b2a72
1476529aba7
15445d5768b
hex28fc6c5bf

11002103231 has 24 divisors (see below), whose sum is σ = 13642311600. Its totient is φ = 8815978752.

The previous prime is 11002103227. The next prime is 11002103237. The reversal of 11002103231 is 13230120011.

It is not a de Polignac number, because 11002103231 - 22 = 11002103227 is a prime.

It is a super-2 number, since 2×110021032312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002103237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79796 + ... + 168438.

It is an arithmetic number, because the mean of its divisors is an integer number (568429650).

Almost surely, 211002103231 is an apocalyptic number.

11002103231 is a deficient number, since it is larger than the sum of its proper divisors (2640208369).

11002103231 is a wasteful number, since it uses less digits than its factorization.

11002103231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88823 (or 88816 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11002103231 its reverse (13230120011), we get a palindrome (24232223242).

The spelling of 11002103231 in words is "eleven billion, two million, one hundred three thousand, two hundred thirty-one".

Divisors: 1 7 17 49 119 149 833 1043 2533 7301 17731 88643 124117 620501 1506931 4343507 10548517 13207807 73839619 92454649 224532719 647182543 1571729033 11002103231