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109405982950 = 252111200716567
BaseRepresentation
bin110010111100100011…
…0101101000011100110
3101110101200122210011121
41211321012231003212
53243030412423300
6122132125524154
710622116340215
oct1457106550346
9343350583147
10109405982950
1142442909330
1219253a1365a
13a417417624
14541c35707c
152ca4dac81a
hex19791ad0e6

109405982950 has 48 divisors (see below), whose sum is σ = 222026575104. Its totient is φ = 39778279200.

The previous prime is 109405982821. The next prime is 109405982953. The reversal of 109405982950 is 59289504901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109405982953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6595567 + ... + 6612133.

It is an arithmetic number, because the mean of its divisors is an integer number (4625553648).

Almost surely, 2109405982950 is an apocalyptic number.

109405982950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109405982950 is an abundant number, since it is smaller than the sum of its proper divisors (112620592154).

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

109405982950 is a wasteful number, since it uses less digits than its factorization.

109405982950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28597 (or 28592 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 52.

The spelling of 109405982950 in words is "one hundred nine billion, four hundred five million, nine hundred eighty-two thousand, nine hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 12007 16567 24014 33134 60035 82835 120070 132077 165670 182237 264154 300175 364474 414175 600350 660385 828350 911185 1320770 1822370 3301925 4555925 6603850 9111850 198919969 397839938 994599845 1989199690 2188119659 4376239318 4972999225 9945998450 10940598295 21881196590 54702991475 109405982950