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220450656008 = 23112150912
BaseRepresentation
bin1100110101001111100…
…0100000111100001000
3210002000120210122120102
43031103320200330020
512102440331443013
6245135034344532
721632654441552
oct3152370407410
9702016718512
10220450656008
1185546714800
123688458b148
1317a3319326b
14a9541964d2
155b03a5cd58
hex3353e20f08

220450656008 has 36 divisors (see below), whose sum is σ = 454367979135. Its totient is φ = 100198203600.

The previous prime is 220450655987. The next prime is 220450656053. The reversal of 220450656008 is 800656054022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 110225328004 + 110225328004 = 332002^2 + 332002^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=332002.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 14600543 + ... + 14615633.

Almost surely, 2220450656008 is an apocalyptic number.

It is an amenable number.

220450656008 is an abundant number, since it is smaller than the sum of its proper divisors (233917323127).

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

220450656008 is an frugal number, since it uses more digits than its factorization.

220450656008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30210 (or 15104 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 220450656008 in words is "two hundred twenty billion, four hundred fifty million, six hundred fifty-six thousand, eight".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 15091 30182 60364 120728 166001 332002 664004 1328008 1826011 3652022 7304044 14608088 227738281 455476562 910953124 1821906248 2505121091 5010242182 10020484364 20040968728 27556332001 55112664002 110225328004 220450656008