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2120056460 = 225106002823
BaseRepresentation
bin111111001011101…
…0111111010001100
312110202021000201122
41332113113322030
513320213301320
6550212100112
7103352116424
oct17627277214
95422230648
102120056460
11998797885
124b2004638
1327a2c0ba2
141617cb484
15c61c9d25
hex7e5d7e8c

2120056460 has 12 divisors (see below), whose sum is σ = 4452118608. Its totient is φ = 848022576.

The previous prime is 2120056343. The next prime is 2120056493. The reversal of 2120056460 is 646500212.

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, 53001392 + ... + 53001431.

It is an arithmetic number, because the mean of its divisors is an integer number (371009884).

Almost surely, 22120056460 is an apocalyptic number.

2120056460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120056460 is an abundant number, since it is smaller than the sum of its proper divisors (2332062148).

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

2120056460 is a wasteful number, since it uses less digits than its factorization.

2120056460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106002832 (or 106002830 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2120056460 is about 46044.0708452239. The cubic root of 2120056460 is about 1284.6430617470.

Adding to 2120056460 its reverse (646500212), we get a palindrome (2766556672).

The spelling of 2120056460 in words is "two billion, one hundred twenty million, fifty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 106002823 212005646 424011292 530014115 1060028230 2120056460