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2135053420 = 225971100543
BaseRepresentation
bin111111101000010…
…0101010001101100
312111210110221200121
41333100211101230
513333033202140
6551505334324
7103623440353
oct17720452154
95453427617
102135053420
119a6200265
124b70373a4
13280442026
141637b299a
15c768d64a
hex7f42546c

2135053420 has 24 divisors (see below), whose sum is σ = 4529839104. Its totient is φ = 845216256.

The previous prime is 2135053397. The next prime is 2135053469. The reversal of 2135053420 is 243505312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 548332 + ... + 552211.

It is an arithmetic number, because the mean of its divisors is an integer number (188743296).

Almost surely, 22135053420 is an apocalyptic number.

2135053420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135053420 is an abundant number, since it is smaller than the sum of its proper divisors (2394785684).

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

2135053420 is a wasteful number, since it uses less digits than its factorization.

2135053420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100649 (or 1100647 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2135053420 is about 46206.6382676775. The cubic root of 2135053420 is about 1287.6650709897.

Adding to 2135053420 its reverse (243505312), we get a palindrome (2378558732).

The spelling of 2135053420 in words is "two billion, one hundred thirty-five million, fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 1100543 2201086 4402172 5502715 11005430 22010860 106752671 213505342 427010684 533763355 1067526710 2135053420