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13013123300 = 2252452328771
BaseRepresentation
bin11000001111010010…
…01000000011100100
31020120220111011020122
430013221020003210
5203122324421200
65551140221112
7640322502662
oct140751100344
936526434218
1013013123300
115578629161
12263209a798
1312c5018078
148b63c3c32
15512695385
hex307a480e4

13013123300 has 36 divisors (see below), whose sum is σ = 28245702576. Its totient is φ = 5203917600.

The previous prime is 13013123273. The next prime is 13013123303. The reversal of 13013123300 is 332131031.

It is not an unprimeable number, because it can be changed into a prime (13013123303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437915 + ... + 466685.

Almost surely, 213013123300 is an apocalyptic number.

13013123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013123300 is an abundant number, since it is smaller than the sum of its proper divisors (15232579276).

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

13013123300 is a wasteful number, since it uses less digits than its factorization.

13013123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33308 (or 33301 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13013123300 its reverse (332131031), we get a palindrome (13345254331).

The spelling of 13013123300 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 4523 9046 18092 22615 28771 45230 57542 90460 113075 115084 143855 226150 287710 452300 575420 719275 1438550 2877100 130131233 260262466 520524932 650656165 1301312330 2602624660 3253280825 6506561650 13013123300