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13122301230 = 2325373940631
BaseRepresentation
bin11000011100010011…
…00110110100101110
31020212111220222012200
430032021212310232
5203333302114410
610010040242330
7643116501663
oct141611466456
936774828180
1013122301230
115624219155
1226627703a6
1313118231ac
148c6ac3a6a
1551c05e3c0
hex30e266d2e

13122301230 has 48 divisors (see below), whose sum is σ = 35040099744. Its totient is φ = 3404704320.

The previous prime is 13122301187. The next prime is 13122301237. The reversal of 13122301230 is 3210322131.

13122301230 is a `hidden beast` number, since 1 + 312 + 230 + 123 + 0 = 666.

13122301230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122301237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1966986 + ... + 1973645.

It is an arithmetic number, because the mean of its divisors is an integer number (730002078).

Almost surely, 213122301230 is an apocalyptic number.

13122301230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13122301230 is an abundant number, since it is smaller than the sum of its proper divisors (21917798514).

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

13122301230 is a wasteful number, since it uses less digits than its factorization.

13122301230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940681 (or 3940678 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13122301230 its reverse (3210322131), we get a palindrome (16332623361).

The spelling of 13122301230 in words is "thirteen billion, one hundred twenty-two million, three hundred one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 3940631 7881262 11821893 19703155 23643786 35465679 39406310 59109465 70931358 118218930 145803347 177328395 291606694 354656790 437410041 729016735 874820082 1312230123 1458033470 2187050205 2624460246 4374100410 6561150615 13122301230