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13231100312 = 2397155310979
BaseRepresentation
bin11000101001010001…
…01001000110011000
31021011002122112111022
430110220221012120
5204044130202222
610024524222012
7645610332323
oct142450510630
937132575438
1013231100312
11567a67a551
12269309a908
13132b227a51
148d73257ba
155268a1042
hex314a29198

13231100312 has 32 divisors (see below), whose sum is σ = 25082492400. Its totient is φ = 6542536704.

The previous prime is 13231100299. The next prime is 13231100317. The reversal of 13231100312 is 21300113231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231100317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199639 + ... + 1210617.

Almost surely, 213231100312 is an apocalyptic number.

It is an amenable number.

13231100312 is a deficient number, since it is larger than the sum of its proper divisors (11851392088).

13231100312 is a wasteful number, since it uses less digits than its factorization.

13231100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12635 (or 12631 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13231100312 its reverse (21300113231), we get a palindrome (34531213543).

The spelling of 13231100312 in words is "thirteen billion, two hundred thirty-one million, one hundred thousand, three hundred twelve".

Divisors: 1 2 4 8 97 194 388 776 1553 3106 6212 10979 12424 21958 43916 87832 150641 301282 602564 1064963 1205128 2129926 4259852 8519704 17050387 34100774 68201548 136403096 1653887539 3307775078 6615550156 13231100312