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109240690250 = 253436962761
BaseRepresentation
bin110010110111101000…
…0001010011001001010
3101102222011122001012202
41211233100022121022
53242211104042000
6122103503040202
710615041355256
oct1455720123112
9342864561182
10109240690250
114236858149a
12192085a0062
13a3bc0c2ab3
14540440b266
152c9560bdd5
hex196f40a64a

109240690250 has 16 divisors (see below), whose sum is σ = 204498572616. Its totient is φ = 43696276000.

The previous prime is 109240690231. The next prime is 109240690259. The reversal of 109240690250 is 52096042901.

It can be written as a sum of positive squares in 4 ways, for example, as 36515005921 + 72725684329 = 191089^2 + 269677^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109240690259) 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 7 ways as a sum of consecutive naturals, for example, 218481131 + ... + 218481630.

Almost surely, 2109240690250 is an apocalyptic number.

109240690250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109240690250 is a deficient number, since it is larger than the sum of its proper divisors (95257882366).

109240690250 is an equidigital number, since it uses as much as digits as its factorization.

109240690250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436962778 (or 436962768 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 109240690250 in words is "one hundred nine billion, two hundred forty million, six hundred ninety thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 436962761 873925522 2184813805 4369627610 10924069025 21848138050 54620345125 109240690250