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1868500050 = 235212456667
BaseRepresentation
bin110111101011111…
…0000110001010010
311211012220122012120
41233113300301102
512311314000200
6505224235110
764205663004
oct15727606122
94735818176
101868500050
118797a081a
1244190ba96
1323a154c41
1413a228374
15ae0899a0
hex6f5f0c52

1868500050 has 24 divisors (see below), whose sum is σ = 4633880496. Its totient is φ = 498266640.

The previous prime is 1868499991. The next prime is 1868500061. The reversal of 1868500050 is 500058681.

It is a junction number, because it is equal to n+sod(n) for n = 1868499984 and 1868500020.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6228184 + ... + 6228483.

It is an arithmetic number, because the mean of its divisors is an integer number (193078354).

Almost surely, 21868500050 is an apocalyptic number.

1868500050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1868500050 is an abundant number, since it is smaller than the sum of its proper divisors (2765380446).

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

1868500050 is a wasteful number, since it uses less digits than its factorization.

1868500050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456682 (or 12456677 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 1868500050 is about 43226.1500714556. The cubic root of 1868500050 is about 1231.6794758641.

The spelling of 1868500050 in words is "one billion, eight hundred sixty-eight million, five hundred thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 12456667 24913334 37370001 62283335 74740002 124566670 186850005 311416675 373700010 622833350 934250025 1868500050