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13430420140 = 2254714287681
BaseRepresentation
bin11001000001000001…
…11111001010101100
31021122222201000220011
430200200333022230
5210001141421030
610100404303004
7653550454564
oct144040771254
937588630804
1013430420140
115772138485
1227299a1a64
131360604587
149159abda4
15539123b2a
hex32083f2ac

13430420140 has 24 divisors (see below), whose sum is σ = 28803966912. Its totient is φ = 5257866240.

The previous prime is 13430420131. The next prime is 13430420141. The reversal of 13430420140 is 4102403431.

It is not an unprimeable number, because it can be changed into a prime (13430420141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7142901 + ... + 7144780.

It is an arithmetic number, because the mean of its divisors is an integer number (1200165288).

Almost surely, 213430420140 is an apocalyptic number.

13430420140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13430420140 is an abundant number, since it is smaller than the sum of its proper divisors (15373546772).

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

13430420140 is a wasteful number, since it uses less digits than its factorization.

13430420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287737 (or 14287735 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13430420140 its reverse (4102403431), we get a palindrome (17532823571).

The spelling of 13430420140 in words is "thirteen billion, four hundred thirty million, four hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 14287681 28575362 57150724 71438405 142876810 285753620 671521007 1343042014 2686084028 3357605035 6715210070 13430420140