Search a number
-
+
19939710060 = 223751513019
BaseRepresentation
bin10010100100011111…
…111101010001101100
31220110122002020000000
4102210133331101230
5311314031210220
613054333104300
71304060511324
oct224437752154
956418066000
1019939710060
1185024a0326
123a45928090
131b5a058a0a
14d722b0284
157ba80c390
hex4a47fd46c

19939710060 has 192 divisors, whose sum is σ = 63237350400. Its totient is φ = 5280292800.

The previous prime is 19939710019. The next prime is 19939710067. The reversal of 19939710060 is 6001793991.

19939710060 is a `hidden beast` number, since 199 + 397 + 10 + 0 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 19939709988 and 19939710015.

It is not an unprimeable number, because it can be changed into a prime (19939710067) 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 63 ways as a sum of consecutive naturals, for example, 6603231 + ... + 6606249.

It is an arithmetic number, because the mean of its divisors is an integer number (329361200).

Almost surely, 219939710060 is an apocalyptic number.

19939710060 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 19939710060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31618675200).

19939710060 is an abundant number, since it is smaller than the sum of its proper divisors (43297640340).

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

19939710060 is a wasteful number, since it uses less digits than its factorization.

19939710060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The spelling of 19939710060 in words is "nineteen billion, nine hundred thirty-nine million, seven hundred ten thousand, sixty".