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19090714500 = 223353112132931
BaseRepresentation
bin10001110001111001…
…010010111110000100
31211021110112210001000
4101301321102332010
5303044210331000
612434204133300
71244041252524
oct216171227604
954243483030
1019090714500
118107235400
123849537230
131a531ac990
14cd162d684
1576b008000
hex471e52f84

19090714500 has 1152 divisors, whose sum is σ = 78078873600. Its totient is φ = 3991680000.

The previous prime is 19090714483. The next prime is 19090714571. The reversal of 19090714500 is 541709091.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 383 ways as a sum of consecutive naturals, for example, 615829485 + ... + 615829515.

It is an arithmetic number, because the mean of its divisors is an integer number (67776800).

Almost surely, 219090714500 is an apocalyptic number.

19090714500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19090714500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39039436800).

19090714500 is an abundant number, since it is smaller than the sum of its proper divisors (58988159100).

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

19090714500 is a wasteful number, since it uses less digits than its factorization.

19090714500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 19090714500 in words is "nineteen billion, ninety million, seven hundred fourteen thousand, five hundred".