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1313330430 = 23543777681
BaseRepresentation
bin100111001000111…
…1101010011111110
310101112021002122210
41032101331103332
510142203033210
6334153121250
744355060456
oct11621752376
93345232583
101313330430
11614382655
123079b9226
1317c1246c9
14c65d0d66
157a474e20
hex4e47d4fe

1313330430 has 16 divisors (see below), whose sum is σ = 3151993104. Its totient is φ = 350221440.

The previous prime is 1313330387. The next prime is 1313330441. The reversal of 1313330430 is 340333131.

It is a junction number, because it is equal to n+sod(n) for n = 1313330397 and 1313330406.

It is a congruent number.

It is an unprimeable number.

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, 21888811 + ... + 21888870.

It is an arithmetic number, because the mean of its divisors is an integer number (196999569).

Almost surely, 21313330430 is an apocalyptic number.

1313330430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1313330430 is an abundant number, since it is smaller than the sum of its proper divisors (1838662674).

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

1313330430 is a wasteful number, since it uses less digits than its factorization.

1313330430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43777691.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 1313330430 is about 36239.9010760239. The cubic root of 1313330430 is about 1095.1106495637.

Adding to 1313330430 its reverse (340333131), we get a palindrome (1653663561).

The spelling of 1313330430 in words is "one billion, three hundred thirteen million, three hundred thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 43777681 87555362 131333043 218888405 262666086 437776810 656665215 1313330430