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420332430220413 = 31747349502457621
BaseRepresentation
bin101111110010010100100010…
…1001100001101110001111101
32001010021101110202211112121020
41133210221011030031301331
5420043211304114023123
64045550015214254353
7154352005315136304
oct13744510514156175
92033241422745536
10420332430220413
11111a26a898a7587
123b1872a84b73b9
1315070241362509
1475b22abadb43b
15338dc277e27e3
hex17e4a4530dc7d

420332430220413 has 32 divisors (see below), whose sum is σ = 607772739571200. Its totient is φ = 257386930590720.

The previous prime is 420332430220397. The next prime is 420332430220471. The reversal of 420332430220413 is 314022034233024.

It is not a de Polignac number, because 420332430220413 - 24 = 420332430220397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420332430222413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250392258 + ... + 252065363.

It is an arithmetic number, because the mean of its divisors is an integer number (18992898111600).

Almost surely, 2420332430220413 is an apocalyptic number.

It is an amenable number.

420332430220413 is a deficient number, since it is larger than the sum of its proper divisors (187440309350787).

420332430220413 is a wasteful number, since it uses less digits than its factorization.

420332430220413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502458037.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 420332430220413 its reverse (314022034233024), we get a palindrome (734354464453437).

The spelling of 420332430220413 in words is "four hundred twenty trillion, three hundred thirty-two billion, four hundred thirty million, two hundred twenty thousand, four hundred thirteen".

Divisors: 1 3 17 47 51 141 349 799 1047 2397 5933 16403 17799 49209 278851 836553 502457621 1507372863 8541779557 23615508187 25625338671 70846524561 175357709729 401463639179 526073129187 1204390917537 2981081065393 8241812357263 8943243196179 24725437071789 140110810073471 420332430220413