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420343302030 = 23517824202553
BaseRepresentation
bin1100001110111100110…
…10011100011110001110
31111011222110002012002120
412013132122130132032
523341330341131110
6521034131433410
742240333054321
oct6073632343616
91434873065076
10420343302030
111522a2921303
1269570155866
133083b195572
14164b7cd07b8
15ae02878870
hex61de69c78e

420343302030 has 32 divisors (see below), whose sum is σ = 1068166509984. Its totient is φ = 105497926656.

The previous prime is 420343301993. The next prime is 420343302031. The reversal of 420343302030 is 30203343024.

It is a super-2 number, since 2×4203433020302 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420343302031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412100767 + ... + 412101786.

It is an arithmetic number, because the mean of its divisors is an integer number (33380203437).

Almost surely, 2420343302030 is an apocalyptic number.

420343302030 is an abundant number, since it is smaller than the sum of its proper divisors (647823207954).

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

420343302030 is a wasteful number, since it uses less digits than its factorization.

420343302030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824202580.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 420343302030 its reverse (30203343024), we get a palindrome (450546645054).

The spelling of 420343302030 in words is "four hundred twenty billion, three hundred forty-three million, three hundred two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 824202553 1648405106 2472607659 4121012765 4945215318 8242025530 12363038295 14011443401 24726076590 28022886802 42034330203 70057217005 84068660406 140114434010 210171651015 420343302030