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2140521200 = 24528960127
BaseRepresentation
bin111111110010101…
…1100001011110000
312112011202202001222
41333211130023300
513340433134300
6552222444212
7104021062406
oct17745341360
95464682058
102140521200
119a92a5294
124b8a33668
132816079bc
141643d7476
15c7dbd785
hex7f95c2f0

2140521200 has 60 divisors (see below), whose sum is σ = 5200470720. Its totient is φ = 846574080.

The previous prime is 2140521161. The next prime is 2140521269. The reversal of 2140521200 is 21250412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5537 + ... + 65663.

It is an arithmetic number, because the mean of its divisors is an integer number (86674512).

Almost surely, 22140521200 is an apocalyptic number.

2140521200 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 2140521200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600235360).

2140521200 is an abundant number, since it is smaller than the sum of its proper divisors (3059949520).

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

2140521200 is a wasteful number, since it uses less digits than its factorization.

2140521200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60234 (or 60223 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2140521200 is about 46265.7670421663. The cubic root of 2140521200 is about 1288.7633522644.

Adding to 2140521200 its reverse (21250412), we get a palindrome (2161771612).

The spelling of 2140521200 in words is "two billion, one hundred forty million, five hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 89 100 178 200 356 400 445 712 890 1424 1780 2225 3560 4450 7120 8900 17800 35600 60127 120254 240508 300635 481016 601270 962032 1202540 1503175 2405080 3006350 4810160 5351303 6012700 10702606 12025400 21405212 24050800 26756515 42810424 53513030 85620848 107026060 133782575 214052120 267565150 428104240 535130300 1070260600 2140521200