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420433335325344 = 25311398137628149
BaseRepresentation
bin101111110011000011100001…
…1100110101001001010100000
32001010122000221000120222101210
41133212013003212221022200
5420101334432320402334
64050104224033030120
7154362206662314555
oct13746070346511240
92033560830528353
10420433335325344
11111a6585a131390
123b1a29693b5340
13150799025350b3
1475b7121046a2c
1533916812165e9
hex17e61c39a92a0

420433335325344 has 48 divisors (see below), whose sum is σ = 1203968187525600. Its totient is φ = 127404041007360.

The previous prime is 420433335325343. The next prime is 420433335325363. The reversal of 420433335325344 is 443523533334024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 420433335325293 and 420433335325302.

It is not an unprimeable number, because it can be changed into a prime (420433335325343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199068813019 + ... + 199068815130.

It is an arithmetic number, because the mean of its divisors is an integer number (25082670573450).

Almost surely, 2420433335325344 is an apocalyptic number.

420433335325344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420433335325344 is an abundant number, since it is smaller than the sum of its proper divisors (783534852200256).

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

420433335325344 is a wasteful number, since it uses less digits than its factorization.

420433335325344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398137628173 (or 398137628165 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 48.

Adding to 420433335325344 its reverse (443523533334024), we get a palindrome (863956868659368).

The spelling of 420433335325344 in words is "four hundred twenty trillion, four hundred thirty-three billion, three hundred thirty-five million, three hundred twenty-five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 398137628149 796275256298 1194412884447 1592550512596 2388825768894 3185101025192 4379513909639 4777651537788 6370202050384 8759027819278 9555303075576 12740404100768 13138541728917 17518055638556 19110606151152 26277083457834 35036111277112 38221212302304 52554166915668 70072222554224 105108333831336 140144445108448 210216667662672 420433335325344