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13089818250 = 2325310754371
BaseRepresentation
bin11000011000011011…
…01100011010001010
31020210020210122221100
430030031230122022
5203301443141000
610002520122230
7642243422265
oct141415543212
936706718840
1013089818250
115607952213
122653906376
131307b8bcb2
148c2669cdc
15519294a00
hex30c36c68a

13089818250 has 96 divisors (see below), whose sum is σ = 35726318784. Its totient is φ = 3457932000.

The previous prime is 13089818233. The next prime is 13089818251. The reversal of 13089818250 is 5281898031.

It is a happy number.

13089818250 is a `hidden beast` number, since 1 + 308 + 98 + 1 + 8 + 250 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13089818196 and 13089818205.

It is not an unprimeable number, because it can be changed into a prime (13089818251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213565 + ... + 267935.

It is an arithmetic number, because the mean of its divisors is an integer number (372149154).

Almost surely, 213089818250 is an apocalyptic number.

13089818250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13089818250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17863159392).

13089818250 is an abundant number, since it is smaller than the sum of its proper divisors (22636500534).

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

13089818250 is a wasteful number, since it uses less digits than its factorization.

13089818250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54501 (or 54488 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 13089818250 in words is "thirteen billion, eighty-nine million, eight hundred eighteen thousand, two hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 107 125 150 214 225 250 321 375 450 535 642 750 963 1070 1125 1605 1926 2250 2675 3210 4815 5350 8025 9630 13375 16050 24075 26750 40125 48150 54371 80250 108742 120375 163113 240750 271855 326226 489339 543710 815565 978678 1359275 1631130 2446695 2718550 4077825 4893390 5817697 6796375 8155650 11635394 12233475 13592750 17453091 20389125 24466950 29088485 34906182 40778250 52359273 58176970 61167375 87265455 104718546 122334750 145442425 174530910 261796365 290884850 436327275 523592730 727212125 872654550 1308981825 1454424250 2181636375 2617963650 4363272750 6544909125 13089818250