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2421125120 = 2125118219
BaseRepresentation
bin1001000001001111…
…0111000000000000
320020201202220021202
42100103313000000
514424302000440
61040125040332
7113666136551
oct22023670000
96221686252
102421125120
111032731157
125769b60a8
132c77a421b
1418d79c328
15e284a615
hex904f7000

2421125120 has 52 divisors (see below), whose sum is σ = 5810040120. Its totient is φ = 968441856.

The previous prime is 2421125099. The next prime is 2421125143. The reversal of 2421125120 is 215211242.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2421125092 and 2421125101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38630 + ... + 79589.

Almost surely, 22421125120 is an apocalyptic number.

2421125120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421125120 is an abundant number, since it is smaller than the sum of its proper divisors (3388915000).

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

2421125120 is an equidigital number, since it uses as much as digits as its factorization.

2421125120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118248 (or 118226 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2421125120 is about 49204.9298343164. The cubic root of 2421125120 is about 1342.7827224704.

Adding to 2421125120 its reverse (215211242), we get a palindrome (2636336362).

The spelling of 2421125120 in words is "two billion, four hundred twenty-one million, one hundred twenty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 10240 20480 118219 236438 472876 591095 945752 1182190 1891504 2364380 3783008 4728760 7566016 9457520 15132032 18915040 30264064 37830080 60528128 75660160 121056256 151320320 242112512 302640640 484225024 605281280 1210562560 2421125120