Base | Representation |
---|---|
bin | 11000011001101001… |
… | …00111010100010011 |
3 | 1020210222000000111101 |
4 | 30030310213110103 |
5 | 203312101133021 |
6 | 10003522525231 |
7 | 642426225040 |
oct | 141464472423 |
9 | 36728000441 |
10 | 13100021011 |
11 | 5612690750 |
12 | 2657206817 |
13 | 130a021c2c |
14 | 8c3b641c7 |
15 | 51a10ca91 |
hex | 30cd27513 |
13100021011 has 32 divisors (see below), whose sum is σ = 16653288960. Its totient is φ = 10009267200.
The previous prime is 13100021009. The next prime is 13100021017. The reversal of 13100021011 is 11012000131.
It is a cyclic number.
It is not a de Polignac number, because 13100021011 - 21 = 13100021009 is a prime.
It is a super-2 number, since 2×131000210112 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13100021017) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806076 + ... + 822166.
It is an arithmetic number, because the mean of its divisors is an integer number (520415280).
Almost surely, 213100021011 is an apocalyptic number.
13100021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13100021011 is a deficient number, since it is larger than the sum of its proper divisors (3553267949).
13100021011 is a wasteful number, since it uses less digits than its factorization.
13100021011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16315.
The product of its (nonzero) digits is 6, while the sum is 10.
Adding to 13100021011 its reverse (11012000131), we get a palindrome (24112021142).
The spelling of 13100021011 in words is "thirteen billion, one hundred million, twenty-one thousand, eleven".
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