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104443123213 = 1113977529603
BaseRepresentation
bin110000101000101001…
…0111001011000001101
3100222120211011101110201
41201101102321120031
53202344414420323
6115551442333501
710355124620332
oct1412122713015
9328524141421
10104443123213
1140326469360
12182a995a291
139b06190a30
1450ab1a2989
152ab43408ad
hex18514b960d

104443123213 has 16 divisors (see below), whose sum is σ = 123967400256. Its totient is φ = 86741015040.

The previous prime is 104443123201. The next prime is 104443123223. The reversal of 104443123213 is 312321344401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 104443123213 - 29 = 104443122701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104443123223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3750931 + ... + 3778672.

It is an arithmetic number, because the mean of its divisors is an integer number (7747962516).

Almost surely, 2104443123213 is an apocalyptic number.

104443123213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

104443123213 is a deficient number, since it is larger than the sum of its proper divisors (19524277043).

104443123213 is a wasteful number, since it uses less digits than its factorization.

104443123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529724.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 104443123213 its reverse (312321344401), we get a palindrome (416764467614).

The spelling of 104443123213 in words is "one hundred four billion, four hundred forty-three million, one hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 11 13 97 143 1067 1261 13871 7529603 82825633 97884839 730371491 1076733229 8034086401 9494829383 104443123213