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13321240430 = 254093257027
BaseRepresentation
bin11000110100000000…
…11111111101101110
31021101101021010111012
430122000133331232
5204240214143210
610041504225222
7651053450441
oct143200377556
937341233435
1013321240430
115716547113
1226b930b212
131343ac86b4
149052ab658
1552e759305
hex31a01ff6e

13321240430 has 16 divisors (see below), whose sum is σ = 24036866640. Its totient is φ = 5315466432.

The previous prime is 13321240417. The next prime is 13321240433. The reversal of 13321240430 is 3404212331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13321240396 and 13321240405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321240433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624424 + ... + 1632603.

It is an arithmetic number, because the mean of its divisors is an integer number (1502304165).

Almost surely, 213321240430 is an apocalyptic number.

13321240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13321240430 is a deficient number, since it is larger than the sum of its proper divisors (10715626210).

13321240430 is a wasteful number, since it uses less digits than its factorization.

13321240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257443.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13321240430 its reverse (3404212331), we get a palindrome (16725452761).

The spelling of 13321240430 in words is "thirteen billion, three hundred twenty-one million, two hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 409 818 2045 4090 3257027 6514054 16285135 32570270 1332124043 2664248086 6660620215 13321240430