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20132430430 = 257287606149
BaseRepresentation
bin10010101111111111…
…001000001001011110
31220222001201102122111
4102233333020021132
5312212400233210
613125415504234
71311620556310
oct225777101136
956861642574
1020132430430
1185a1260a62
123a9a38807a
131b8ac64738
14d8db197b0
157cc6c988a
hex4affc825e

20132430430 has 16 divisors (see below), whose sum is σ = 41415285600. Its totient is φ = 6902547552.

The previous prime is 20132430427. The next prime is 20132430463. The reversal of 20132430430 is 3403423102.

It is a happy number.

It is a congruent number.

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, 143803005 + ... + 143803144.

It is an arithmetic number, because the mean of its divisors is an integer number (2588455350).

Almost surely, 220132430430 is an apocalyptic number.

20132430430 is an abundant number, since it is smaller than the sum of its proper divisors (21282855170).

20132430430 is a wasteful number, since it uses less digits than its factorization.

20132430430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287606163.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20132430430 its reverse (3403423102), we get a palindrome (23535853532).

The spelling of 20132430430 in words is "twenty billion, one hundred thirty-two million, four hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 287606149 575212298 1438030745 2013243043 2876061490 4026486086 10066215215 20132430430