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10231230305 = 529832393557
BaseRepresentation
bin10011000011101010…
…00010111101100001
3222102000212100110202
421201311002331201
5131423143332210
64411122434545
7511353010532
oct114165027541
928360770422
1010231230305
11438029883a
121b96502a55
13c7088a73a
146d0b54689
153ed3359a5
hex261d42f61

10231230305 has 32 divisors (see below), whose sum is σ = 12911270400. Its totient is φ = 7772676352.

The previous prime is 10231230301. The next prime is 10231230319. The reversal of 10231230305 is 50303213201.

It is a cyclic number.

It is not a de Polignac number, because 10231230305 - 22 = 10231230301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10231230301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2874587 + ... + 2878143.

It is an arithmetic number, because the mean of its divisors is an integer number (403477200).

Almost surely, 210231230305 is an apocalyptic number.

It is an amenable number.

10231230305 is a deficient number, since it is larger than the sum of its proper divisors (2680040095).

10231230305 is a wasteful number, since it uses less digits than its factorization.

10231230305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 10231230305 its reverse (50303213201), we get a palindrome (60534443506).

The spelling of 10231230305 in words is "ten billion, two hundred thirty-one million, two hundred thirty thousand, three hundred five".

Divisors: 1 5 29 83 145 239 415 1195 2407 3557 6931 12035 17785 19837 34655 99185 103153 295231 515765 575273 850123 1476155 2876365 4250615 8561699 24653567 42808495 70560209 123267835 352801045 2046246061 10231230305