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13012112310 = 2351510728711
BaseRepresentation
bin11000001111001010…
…10001001110110110
31020120211120210102120
430013211101032312
5203122100043220
65551102420410
7640311062331
oct140745211666
936524523376
1013012112310
115577aa862a
122631891706
1312c4a52b52
148b61dd618
15512545a40
hex3079513b6

13012112310 has 32 divisors (see below), whose sum is σ = 31232224512. Its totient is φ = 3469546080.

The previous prime is 13012112297. The next prime is 13012112317. The reversal of 13012112310 is 1321121031.

It is a happy number.

13012112310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130121123102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13012112310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012112317) 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 15 ways as a sum of consecutive naturals, for example, 438855 + ... + 467565.

It is an arithmetic number, because the mean of its divisors is an integer number (976007016).

Almost surely, 213012112310 is an apocalyptic number.

13012112310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012112310 is an abundant number, since it is smaller than the sum of its proper divisors (18220112202).

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

13012112310 is a wasteful number, since it uses less digits than its factorization.

13012112310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43828.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13012112310 its reverse (1321121031), we get a palindrome (14333233341).

The spelling of 13012112310 in words is "thirteen billion, twelve million, one hundred twelve thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 15107 28711 30214 45321 57422 75535 86133 90642 143555 151070 172266 226605 287110 430665 453210 861330 433737077 867474154 1301211231 2168685385 2602422462 4337370770 6506056155 13012112310