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420311401000 = 23531448929009
BaseRepresentation
bin1100001110111001000…
…00110000001000101000
31111011220020001110002221
412013130200300020220
523341244204313000
6521031032003424
742236464650361
oct6073440601050
91434806043087
10420311401000
11152286912617
1269561530574
13308346a620a
14164b3988b68
15adeeb7661a
hex61dc830228

420311401000 has 64 divisors (see below), whose sum is σ = 983630466000. Its totient is φ = 168107161600.

The previous prime is 420311400983. The next prime is 420311401093. The reversal of 420311401000 is 104113024.

It can be written as a sum of positive squares in 8 ways, for example, as 22026715396 + 398284685604 = 148414^2 + 631098^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14474496 + ... + 14503504.

Almost surely, 2420311401000 is an apocalyptic number.

420311401000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420311401000 is an abundant number, since it is smaller than the sum of its proper divisors (563319065000).

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

420311401000 is a wasteful number, since it uses less digits than its factorization.

420311401000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43519 (or 43505 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 420311401000 its reverse (104113024), we get a palindrome (420415514024).

The spelling of 420311401000 in words is "four hundred twenty billion, three hundred eleven million, four hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 14489 28978 29009 57956 58018 72445 115912 116036 144890 145045 232072 289780 290090 362225 579560 580180 724450 725225 1160360 1448900 1450450 1811125 2897800 2900900 3622250 3626125 5801800 7244500 7252250 14489000 14504500 29009000 420311401 840622802 1681245604 2101557005 3362491208 4203114010 8406228020 10507785025 16812456040 21015570050 42031140100 52538925125 84062280200 105077850250 210155700500 420311401000