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13000100 = 2252711831
BaseRepresentation
bin110001100101…
…110110100100
3220110110210012
4301211312210
511312000400
61142345352
7215333111
oct61456644
926413705
1013000100
11737a193
12442b258
132902289
141a25908
15121bd35
hexc65da4

13000100 has 36 divisors (see below), whose sum is σ = 28623168. Its totient is φ = 5124000.

The previous prime is 13000081. The next prime is 13000133. The reversal of 13000100 is 100031.

13000100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6185 + ... + 8015.

It is an arithmetic number, because the mean of its divisors is an integer number (795088).

Almost surely, 213000100 is an apocalyptic number.

13000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13000100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14311584).

13000100 is an abundant number, since it is smaller than the sum of its proper divisors (15623068).

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

13000100 is a wasteful number, since it uses less digits than its factorization.

13000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1909 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

The square root of 13000100 is about 3605.5651429422. The cubic root of 13000100 is about 235.1340716769.

Adding to 13000100 its reverse (100031), we get a palindrome (13100131).

The spelling of 13000100 in words is "thirteen million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 71 100 142 284 355 710 1420 1775 1831 3550 3662 7100 7324 9155 18310 36620 45775 91550 130001 183100 260002 520004 650005 1300010 2600020 3250025 6500050 13000100