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13100044 = 2219971777
BaseRepresentation
bin110001111110…
…010000001100
3220122112212211
4301332100030
511323200134
61144440204
7216230356
oct61762014
926575784
1013100044
117438291
124479064
132938909
141a500d6
15123b764
hexc7e40c

13100044 has 24 divisors (see below), whose sum is σ = 24394160. Its totient is φ = 6137856.

The previous prime is 13100039. The next prime is 13100051. The reversal of 13100044 is 44000131.

It is a super-2 number, since 2×131000442 = 343222305603872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13099997 and 13100033.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6484 + ... + 8260.

Almost surely, 213100044 is an apocalyptic number.

It is an amenable number.

13100044 is a deficient number, since it is larger than the sum of its proper divisors (11294116).

13100044 is a wasteful number, since it uses less digits than its factorization.

13100044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13100044 is about 3619.3982925343. The cubic root of 13100044 is about 235.7350996881.

Adding to 13100044 its reverse (44000131), we get a palindrome (57100175).

It can be divided in two parts, 131000 and 44, that added together give a square (131044 = 3622).

The spelling of 13100044 in words is "thirteen million, one hundred thousand, forty-four".

Divisors: 1 2 4 19 38 76 97 194 388 1777 1843 3554 3686 7108 7372 33763 67526 135052 172369 344738 689476 3275011 6550022 13100044