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420310401540323 = 7929216129908981
BaseRepresentation
bin101111110010001010010010…
…0001011011110000011100011
32001010012021121112222122102212
41133210110210023132003203
5420042331200243242243
64045531533255232335
7154350265400350220
oct13744244413360343
92033167545878385
10420310401540323
11111a18705222148
123b182b7b0786ab
131506b1405ab278
1475b11bc212947
15338d3888eb318
hex17e45242de0e3

420310401540323 has 16 divisors (see below), whose sum is σ = 481094349984960. Its totient is φ = 359711713382400.

The previous prime is 420310401540313. The next prime is 420310401540371. The reversal of 420310401540323 is 323045104013024.

It is a cyclic number.

It is not a de Polignac number, because 420310401540323 - 214 = 420310401523939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420310401540323.

It is not an unprimeable number, because it can be changed into a prime (420310401540313) 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, 901508 + ... + 29007473.

It is an arithmetic number, because the mean of its divisors is an integer number (30068396874060).

Almost surely, 2420310401540323 is an apocalyptic number.

420310401540323 is a deficient number, since it is larger than the sum of its proper divisors (60783948444637).

420310401540323 is a wasteful number, since it uses less digits than its factorization.

420310401540323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29912078.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 420310401540323 its reverse (323045104013024), we get a palindrome (743355505553347).

The spelling of 420310401540323 in words is "four hundred twenty trillion, three hundred ten billion, four hundred one million, five hundred forty thousand, three hundred twenty-three".

Divisors: 1 7 929 2161 6503 15127 2007569 14052983 29908981 209362867 27785443349 64633307941 194498103443 452433155587 60044343077189 420310401540323