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2130450800 = 24525326127
BaseRepresentation
bin111111011111100…
…0001100101110000
312111110211010002012
41332333001211300
513330343411200
6551222542052
7103536350552
oct17677014560
95443733065
102130450800
119a3647245
124b5597928
1327c4c009a
14162d354d2
15c707ea35
hex7efc1970

2130450800 has 30 divisors (see below), whose sum is σ = 5118409008. Its totient is φ = 852180160.

The previous prime is 2130450719. The next prime is 2130450821. The reversal of 2130450800 is 80540312.

It is a super-2 number, since 2×21304508002 = 9077641222441280000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2662664 + ... + 2663463.

Almost surely, 22130450800 is an apocalyptic number.

2130450800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130450800 is an abundant number, since it is smaller than the sum of its proper divisors (2987958208).

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

2130450800 is a wasteful number, since it uses less digits than its factorization.

2130450800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326145 (or 5326134 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2130450800 is about 46156.8066486407. The cubic root of 2130450800 is about 1286.7391149424.

The spelling of 2130450800 in words is "two billion, one hundred thirty million, four hundred fifty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 5326127 10652254 21304508 26630635 42609016 53261270 85218032 106522540 133153175 213045080 266306350 426090160 532612700 1065225400 2130450800