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420303233244 = 223137255658901
BaseRepresentation
bin1100001110111000000…
…01100110000011011100
31111011212122200111001110
412013130001212003130
523341240111430434
6521030140542020
742236335351566
oct6073401460334
91434778614043
10420303233244
11152282244004
126955a851910
1330832aa661b
14164b2860336
15adee0b14e9
hex61dc0660dc

420303233244 has 24 divisors (see below), whose sum is σ = 987865997328. Its totient is φ = 139078441600.

The previous prime is 420303233243. The next prime is 420303233261. The reversal of 420303233244 is 442332303024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420303233243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127827807 + ... + 127831094.

It is an arithmetic number, because the mean of its divisors is an integer number (41161083222).

Almost surely, 2420303233244 is an apocalyptic number.

It is an amenable number.

420303233244 is an abundant number, since it is smaller than the sum of its proper divisors (567562764084).

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

420303233244 is a wasteful number, since it uses less digits than its factorization.

420303233244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255659045 (or 255659043 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 420303233244 its reverse (442332303024), we get a palindrome (862635536268).

The spelling of 420303233244 in words is "four hundred twenty billion, three hundred three million, two hundred thirty-three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 255658901 511317802 766976703 1022635604 1533953406 3067906812 35025269437 70050538874 105075808311 140101077748 210151616622 420303233244