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13225430430 = 2325163901529
BaseRepresentation
bin11000101000100110…
…00000110110011110
31021010200222110212200
430110103000312132
5204041202233210
610024202512330
7645511206132
oct142423006636
937120873780
1013225430430
1156774576a3
1226912056a6
131329cc10a4
148d668b3c2
155261310c0
hex3144c0d9e

13225430430 has 48 divisors (see below), whose sum is σ = 34597115280. Its totient is φ = 3505140864.

The previous prime is 13225430429. The next prime is 13225430437. The reversal of 13225430430 is 3403452231.

13225430430 is a `hidden beast` number, since 1 + 3 + 225 + 4 + 3 + 0 + 430 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13225430394 and 13225430403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225430437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436095 + ... + 465434.

It is an arithmetic number, because the mean of its divisors is an integer number (720773235).

Almost surely, 213225430430 is an apocalyptic number.

13225430430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13225430430 is an abundant number, since it is smaller than the sum of its proper divisors (21371684850).

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

13225430430 is a wasteful number, since it uses less digits than its factorization.

13225430430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901705 (or 901702 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 13225430430 its reverse (3403452231), we get a palindrome (16628882661).

The spelling of 13225430430 in words is "thirteen billion, two hundred twenty-five million, four hundred thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 163 326 489 815 978 1467 1630 2445 2934 4890 7335 14670 901529 1803058 2704587 4507645 5409174 8113761 9015290 13522935 16227522 27045870 40568805 81137610 146949227 293898454 440847681 734746135 881695362 1322543043 1469492270 2204238405 2645086086 4408476810 6612715215 13225430430