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13123102300 = 22527111704299
BaseRepresentation
bin11000011100011001…
…01010011001011100
31020212120102200001221
430032030222121130
5203334003233200
610010105343124
7643126346320
oct141614523134
936776380057
1013123102300
115624715aa0
122662a97aa4
131311a439b9
148c6c51980
1551c16b91a
hex30e32a65c

13123102300 has 72 divisors (see below), whose sum is σ = 35503977600. Its totient is φ = 4090315200.

The previous prime is 13123102297. The next prime is 13123102309. The reversal of 13123102300 is 320132131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123102309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 844450 + ... + 859849.

It is an arithmetic number, because the mean of its divisors is an integer number (493110800).

Almost surely, 213123102300 is an apocalyptic number.

13123102300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123102300 is an abundant number, since it is smaller than the sum of its proper divisors (22380875300).

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

13123102300 is a wasteful number, since it uses less digits than its factorization.

13123102300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704331 (or 1704324 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13123102300 its reverse (320132131), we get a palindrome (13443234431).

The spelling of 13123102300 in words is "thirteen billion, one hundred twenty-three million, one hundred two thousand, three hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 110 140 154 175 220 275 308 350 385 550 700 770 1100 1540 1925 3850 7700 1704299 3408598 6817196 8521495 11930093 17042990 18747289 23860186 34085980 37494578 42607475 47720372 59650465 74989156 85214950 93736445 119300930 131231023 170429900 187472890 238601860 262462046 298252325 374945780 468682225 524924092 596504650 656155115 937364450 1193009300 1312310230 1874728900 2624620460 3280775575 6561551150 13123102300