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420420242442032 = 24721371756552253
BaseRepresentation
bin101111110010111101011011…
…1001101010000011100110000
32001010120210010120000120222122
41133211322313031100130300
5420101131124031121112
64050054220523053412
7154361234350535240
oct13745726715203460
92033523116016878
10420420242442032
11111a60250586368
123b1a0314671268
13150785c6b41c71
1475b663c21db20
153391166a68872
hex17e5eb7350730

420420242442032 has 40 divisors (see below), whose sum is σ = 931366162324896. Its totient is φ = 180095789293056.

The previous prime is 420420242442023. The next prime is 420420242442071. The reversal of 420420242442032 is 230244242024024.

It is a junction number, because it is equal to n+sod(n) for n = 420420242441983 and 420420242442001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 878036783 + ... + 878515470.

Almost surely, 2420420242442032 is an apocalyptic number.

It is an amenable number.

420420242442032 is an abundant number, since it is smaller than the sum of its proper divisors (510945919882864).

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

420420242442032 is a wasteful number, since it uses less digits than its factorization.

420420242442032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756554405 (or 1756554399 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 420420242442032 its reverse (230244242024024), we get a palindrome (650664484466056).

The spelling of 420420242442032 in words is "four hundred twenty trillion, four hundred twenty billion, two hundred forty-two million, four hundred forty-two thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 2137 4274 8548 14959 17096 29918 34192 59836 119672 239344 1756552253 3513104506 7026209012 12295865771 14052418024 24591731542 28104836048 49183463084 98366926168 196733852336 3753752164661 7507504329322 15015008658644 26276265152627 30030017317288 52552530305254 60060034634576 105105060610508 210210121221016 420420242442032