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13310230212 = 22321792065523
BaseRepresentation
bin11000110010101100…
…11111111011000100
31021100121112202022100
430121112133323010
5204224404331322
610040432232100
7650561042616
oct143126377304
937317482270
1013310230212
115710306a64
1226b569b630
131341742086
14903a42db6
1552d7d1dac
hex31959fec4

13310230212 has 36 divisors (see below), whose sum is σ = 33833283120. Its totient is φ = 4411954992.

The previous prime is 13310230183. The next prime is 13310230217. The reversal of 13310230212 is 21203201331.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (13310230217) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1026318 + ... + 1039205.

It is an arithmetic number, because the mean of its divisors is an integer number (939813420).

Almost surely, 213310230212 is an apocalyptic number.

13310230212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13310230212 is an abundant number, since it is smaller than the sum of its proper divisors (20523052908).

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

13310230212 is a wasteful number, since it uses less digits than its factorization.

13310230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065712 (or 2065707 counting only the distinct ones).

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

Adding to 13310230212 its reverse (21203201331), we get a palindrome (34513431543).

The spelling of 13310230212 in words is "thirteen billion, three hundred ten million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 179 358 537 716 1074 1611 2148 3222 6444 2065523 4131046 6196569 8262092 12393138 18589707 24786276 37179414 74358828 369728617 739457234 1109185851 1478914468 2218371702 3327557553 4436743404 6655115106 13310230212