Search a number
-
+
20370323298 = 23134710495297
BaseRepresentation
bin10010111110001010…
…100111011101100010
31221120122100122022110
4102332022213131202
5313204300321143
613205154420150
71320536614443
oct227612473542
957518318273
1020370323298
118703575436
123b45b91656
131bc8328450
14db35632ca
157e351b533
hex4be2a7762

20370323298 has 64 divisors (see below), whose sum is σ = 44859225600. Its totient is φ = 6127429632.

The previous prime is 20370323297. The next prime is 20370323317. The reversal of 20370323298 is 89232307302.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (20370323297) 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 31 ways as a sum of consecutive naturals, for example, 3842986 + ... + 3848282.

It is an arithmetic number, because the mean of its divisors is an integer number (700925400).

Almost surely, 220370323298 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20370323298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22429612800).

20370323298 is an abundant number, since it is smaller than the sum of its proper divisors (24488902302).

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

20370323298 is a wasteful number, since it uses less digits than its factorization.

20370323298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 20370323298 in words is "twenty billion, three hundred seventy million, three hundred twenty-three thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 13 26 39 47 78 94 141 282 611 1049 1222 1833 2098 3147 3666 5297 6294 10594 13637 15891 27274 31782 40911 49303 68861 81822 98606 137722 147909 206583 248959 295818 413166 497918 640939 746877 1281878 1493754 1922817 3236467 3845634 5556553 6472934 9709401 11113106 16669659 19418802 33339318 72235189 144470378 216705567 261157991 433411134 522315982 783473973 1566947946 3395053883 6790107766 10185161649 20370323298