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489673872200 = 2352494812
BaseRepresentation
bin1110010000000101101…
…01100101001101001000
31201210221012210001212202
413020002311211031020
531010323002402300
61012541510255332
750243401144442
oct7100265451510
91653835701782
10489673872200
11179740153887
127aa9a957548
1337239a15196
14199b3a49492
15cb0e304ad5
hex7202d65348

489673872200 has 36 divisors (see below), whose sum is σ = 1138514761995. Its totient is φ = 195865590400.

The previous prime is 489673872161. The next prime is 489673872221. The reversal of 489673872200 is 2278376984.

It is a happy number.

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 5 ways, for example, as 26645338756 + 463028533444 = 163234^2 + 680462^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=494810.

It is a super-2 number, since 2×4896738722002 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9871460 + ... + 9920940.

Almost surely, 2489673872200 is an apocalyptic number.

489673872200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

489673872200 is an abundant number, since it is smaller than the sum of its proper divisors (648840889795).

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

489673872200 is an frugal number, since it uses more digits than its factorization.

489673872200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98978 (or 49488 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 489673872200 in words is "four hundred eighty-nine billion, six hundred seventy-three million, eight hundred seventy-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 49481 98962 197924 247405 395848 494810 989620 1237025 1979240 2474050 4948100 9896200 2448369361 4896738722 9793477444 12241846805 19586954888 24483693610 48967387220 61209234025 97934774440 122418468050 244836936100 489673872200