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13122031313000 = 235319701398479
BaseRepresentation
bin1011111011110011011000…
…0000111110000001101000
31201110110020220221112100202
42332330312000332001220
53204442410004004000
643524102235051332
72523015111553211
oct276746600760150
951413226845322
1013122031313000
1141aa027649395
12157b1798a0b48
1374252c96162c
14335177058408
1517b502b37dd5
hexbef3603e068

13122031313000 has 128 divisors (see below), whose sum is σ = 32326572096000. Its totient is φ = 4971799699200.

The previous prime is 13122031312927. The next prime is 13122031313071. The reversal of 13122031313000 is 31313022131.

13122031313000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133197761 + ... + 133296239.

It is an arithmetic number, because the mean of its divisors is an integer number (252551344500).

Almost surely, 213122031313000 is an apocalyptic number.

13122031313000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13122031313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16163286048000).

13122031313000 is an abundant number, since it is smaller than the sum of its proper divisors (19204540783000).

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

13122031313000 is a wasteful number, since it uses less digits than its factorization.

13122031313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105532 (or 105518 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13122031313000 its reverse (31313022131), we get a palindrome (13153344335131).

The spelling of 13122031313000 in words is "thirteen trillion, one hundred twenty-two billion, thirty-one million, three hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 125 152 190 200 250 380 475 500 760 950 1000 1900 2375 3800 4750 7013 9500 14026 19000 28052 35065 56104 70130 98479 133247 140260 175325 196958 266494 280520 350650 393916 492395 532988 666235 701300 787832 876625 984790 1065976 1332470 1402600 1753250 1871101 1969580 2461975 2664940 3331175 3506500 3742202 3939160 4923950 5329880 6662350 7013000 7484404 9355505 9847900 12309875 13324700 14968808 16655875 18711010 19695800 24619750 26649400 33311750 37422020 46777525 49239500 66623500 74844040 93555050 98479000 133247000 187110100 233887625 374220200 467775250 690633227 935550500 1381266454 1871101000 2762532908 3453166135 5525065816 6906332270 13122031313 13812664540 17265830675 26244062626 27625329080 34531661350 52488125252 65610156565 69063322700 86329153375 104976250504 131220313130 138126645400 172658306750 262440626260 328050782825 345316613500 524881252520 656101565650 690633227000 1312203131300 1640253914125 2624406262600 3280507828250 6561015656500 13122031313000