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11100030550 = 252737678419
BaseRepresentation
bin10100101011001110…
…10000011001010110
31001122120122222100121
422111213100121112
5140213101434200
65033240102154
7542032463050
oct122547203126
931576588317
1011100030550
114786750274
12219946495a
13107b87c01b
147742ac8d0
1544e74ce1a
hex2959d0656

11100030550 has 48 divisors (see below), whose sum is σ = 23604560640. Its totient is φ = 3804262560.

The previous prime is 11100030547. The next prime is 11100030559. The reversal of 11100030550 is 5503000111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100030559) 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, 1314241 + ... + 1322659.

It is an arithmetic number, because the mean of its divisors is an integer number (491761680).

Almost surely, 211100030550 is an apocalyptic number.

11100030550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100030550 is an abundant number, since it is smaller than the sum of its proper divisors (12504530090).

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

11100030550 is a wasteful number, since it uses less digits than its factorization.

11100030550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205 (or 12200 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 16.

Adding to 11100030550 its reverse (5503000111), we get a palindrome (16603030661).

The spelling of 11100030550 in words is "eleven billion, one hundred million, thirty thousand, five hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 3767 7534 8419 16838 18835 26369 37670 42095 52738 58933 84190 94175 117866 131845 188350 210475 263690 294665 420950 589330 659225 1318450 1473325 2946650 31714373 63428746 158571865 222000611 317143730 444001222 792859325 1110003055 1585718650 2220006110 5550015275 11100030550