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19400150000 = 24557115039
BaseRepresentation
bin10010000100010101…
…101100101111110000
31212002000210201202002
4102010111230233300
5304212414300000
612525020313132
71254516361040
oct220425545760
955060721662
1019400150000
118255973920
1239150a27a8
131aa23323ca
14d2077b720
1578827c8d5
hex48456cbf0

19400150000 has 240 divisors, whose sum is σ = 58586250240. Its totient is φ = 6045600000.

The previous prime is 19400149931. The next prime is 19400150017. The reversal of 19400150000 is 5100491.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3847481 + ... + 3852519.

It is an arithmetic number, because the mean of its divisors is an integer number (244109376).

Almost surely, 219400150000 is an apocalyptic number.

19400150000 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 19400150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29293125120).

19400150000 is an abundant number, since it is smaller than the sum of its proper divisors (39186100240).

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

19400150000 is an equidigital number, since it uses as much as digits as its factorization.

19400150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090 (or 5064 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 19400150000 its reverse (5100491), we get a palindrome (19405250491).

The spelling of 19400150000 in words is "nineteen billion, four hundred million, one hundred fifty thousand".