Search a number
-
+
13000103120 = 245465134939
BaseRepresentation
bin11000001101101110…
…11101010011010000
31020112222222122220202
430012313131103100
5203111011244440
65545553154332
7640104024164
oct140667352320
936488878822
1013000103120
115571245984
12262985b9a8
1312c2409914
148b4794ca4
15511472615
hex306ddd4d0

13000103120 has 40 divisors (see below), whose sum is σ = 30232603680. Its totient is φ = 5198774400.

The previous prime is 13000103119. The next prime is 13000103131. The reversal of 13000103120 is 2130100031.

13000103120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×130001031202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 354611 + ... + 389549.

It is an arithmetic number, because the mean of its divisors is an integer number (755815092).

Almost surely, 213000103120 is an apocalyptic number.

13000103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13000103120 is an abundant number, since it is smaller than the sum of its proper divisors (17232500560).

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

13000103120 is a wasteful number, since it uses less digits than its factorization.

13000103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39603 (or 39597 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 13000103120 its reverse (2130100031), we get a palindrome (15130203151).

The spelling of 13000103120 in words is "thirteen billion, one hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4651 9302 18604 23255 34939 37208 46510 69878 74416 93020 139756 174695 186040 279512 349390 372080 559024 698780 1397560 2795120 162501289 325002578 650005156 812506445 1300010312 1625012890 2600020624 3250025780 6500051560 13000103120