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421869710335912 = 23194364545549317
BaseRepresentation
bin101111111101100000011001…
…0001110011101111110101000
32001022201100110110120202201021
41133323000302032131332220
5420243403131321222122
64053124134110302224
7154601036461414246
oct13773006216357650
92038640413522637
10421869710335912
11112469a37400483
123b3952144b7974
13151521b21a1c57
147626862607796
1533b8bec9b21c7
hex17fb03239dfa8

421869710335912 has 32 divisors (see below), whose sum is σ = 852001250997600. Its totient is φ = 195185741131584.

The previous prime is 421869710335907. The next prime is 421869710335979. The reversal of 421869710335912 is 219533017968124.

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, 32272768123 + ... + 32272781194.

It is an arithmetic number, because the mean of its divisors is an integer number (26625039093675).

It is a 1-persistent number, because it is pandigital, but 2⋅421869710335912 = 843739420671824 is not.

Almost surely, 2421869710335912 is an apocalyptic number.

It is an amenable number.

421869710335912 is an abundant number, since it is smaller than the sum of its proper divisors (430131540661688).

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

421869710335912 is a wasteful number, since it uses less digits than its factorization.

421869710335912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64545549385 (or 64545549381 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 421869710335912 in words is "four hundred twenty-one trillion, eight hundred sixty-nine billion, seven hundred ten million, three hundred thirty-five thousand, nine hundred twelve".

Divisors: 1 2 4 8 19 38 43 76 86 152 172 344 817 1634 3268 6536 64545549317 129091098634 258182197268 516364394536 1226365437023 2452730874046 2775458620631 4905461748092 5550917241262 9810923496184 11101834482524 22203668965048 52733713791989 105467427583978 210934855167956 421869710335912