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13230383861 = 179313236143
BaseRepresentation
bin11000101001001011…
…11010001011110101
31021011001022010201002
430110211322023311
5204043434240421
610024501013045
7645601256462
oct142445721365
937131263632
1013230383861
11567a230242
1226929b4185
13132b036906
148d71ba669
155267adb0b
hex31497a2f5

13230383861 has 8 divisors (see below), whose sum is σ = 13346858880. Its totient is φ = 13114382112.

The previous prime is 13230383839. The next prime is 13230383869. The reversal of 13230383861 is 16838303231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13230383861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230383869) 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, 62045 + ... + 174098.

It is an arithmetic number, because the mean of its divisors is an integer number (1668357360).

Almost surely, 213230383861 is an apocalyptic number.

It is an amenable number.

13230383861 is a deficient number, since it is larger than the sum of its proper divisors (116475019).

13230383861 is a wasteful number, since it uses less digits than its factorization.

13230383861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236635.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 13230383861 in words is "thirteen billion, two hundred thirty million, three hundred eighty-three thousand, eight hundred sixty-one".

Divisors: 1 179 313 56027 236143 42269597 73912759 13230383861