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13000101213 = 311240018951
BaseRepresentation
bin11000001101101110…
…11100110101011101
31020112222222120022010
430012313130311131
5203111011214323
65545553141433
7640104015501
oct140667346535
936488876263
1013000101213
115571244500
12262985a879
1312c2408aa8
148b4794301
15511471c93
hex306ddcd5d

13000101213 has 24 divisors (see below), whose sum is σ = 19059380928. Its totient is φ = 7876000000.

The previous prime is 13000101181. The next prime is 13000101251. The reversal of 13000101213 is 31210100031.

It is not a de Polignac number, because 13000101213 - 25 = 13000101181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000101013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1447888 + ... + 1456838.

It is an arithmetic number, because the mean of its divisors is an integer number (794140872).

Almost surely, 213000101213 is an apocalyptic number.

It is an amenable number.

13000101213 is a deficient number, since it is larger than the sum of its proper divisors (6059279715).

13000101213 is a wasteful number, since it uses less digits than its factorization.

13000101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977 (or 12966 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13000101213 its reverse (31210100031), we get a palindrome (44210201244).

The spelling of 13000101213 in words is "thirteen billion, one hundred one thousand, two hundred thirteen".

Divisors: 1 3 11 33 121 363 4001 8951 12003 26853 44011 98461 132033 295383 484121 1083071 1452363 3249213 35812951 107438853 393942461 1181827383 4333367071 13000101213