Search a number
-
+
20608204243200 = 283527238956311
BaseRepresentation
bin1001010111110001110001…
…01100011000000100000000
32200222010101012001022001020
410223320320230120010000
510200121100241240300
6111455140041505440
74224615340546200
oct453707054300400
980863335038036
1020608204243200
116625988049a12
12238a011aa2280
13b66464895b02
14513629d74400
1525b1000e58a0
hex12be38b18100

20608204243200 has 648 divisors, whose sum is σ = 79320053816640. Its totient is φ = 4698254131200.

The previous prime is 20608204243199. The next prime is 20608204243219. The reversal of 20608204243200 is 234240280602.

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 71 ways as a sum of consecutive naturals, for example, 365943045 + ... + 365999355.

Almost surely, 220608204243200 is an apocalyptic number.

20608204243200 is a gapful number since it is divisible by the number (20) 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 20608204243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39660026908320).

20608204243200 is an abundant number, since it is smaller than the sum of its proper divisors (58711849573440).

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

20608204243200 is a wasteful number, since it uses less digits than its factorization.

20608204243200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56743 (or 56717 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 20608204243200 in words is "twenty trillion, six hundred eight billion, two hundred four million, two hundred forty-three thousand, two hundred".