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134621631500 = 22531775121089
BaseRepresentation
bin111110101100000010…
…0110001010000001100
3110212111000100110011212
41331120010301100030
54201201114202000
6141502212433552
712504022662446
oct1753004612014
9425430313155
10134621631500
11521024462a4
12221106188b8
13c905526a25
1467311d7496
15377d97ac35
hex1f5813140c

134621631500 has 96 divisors (see below), whose sum is σ = 311737870080. Its totient is φ = 50611200000.

The previous prime is 134621631481. The next prime is 134621631509. The reversal of 134621631500 is 5136126431.

It is not an unprimeable number, because it can be changed into a prime (134621631509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6372956 + ... + 6394044.

It is an arithmetic number, because the mean of its divisors is an integer number (3247269480).

Almost surely, 2134621631500 is an apocalyptic number.

134621631500 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 134621631500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155868935040).

134621631500 is an abundant number, since it is smaller than the sum of its proper divisors (177116238580).

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

134621631500 is a wasteful number, since it uses less digits than its factorization.

134621631500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21876 (or 21864 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 134621631500 its reverse (5136126431), we get a palindrome (139757757931).

The spelling of 134621631500 in words is "one hundred thirty-four billion, six hundred twenty-one million, six hundred thirty-one thousand, five hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 125 170 250 340 425 500 751 850 1502 1700 2125 3004 3755 4250 7510 8500 12767 15020 18775 21089 25534 37550 42178 51068 63835 75100 84356 93875 105445 127670 187750 210890 255340 319175 358513 375500 421780 527225 638350 717026 1054450 1276700 1434052 1595875 1792565 2108900 2636125 3191750 3585130 5272250 6383500 7170260 8962825 10544500 15837839 17925650 31675678 35851300 44814125 63351356 79189195 89628250 158378390 179256500 269243263 316756780 395945975 538486526 791891950 1076973052 1346216315 1583783900 1979729875 2692432630 3959459750 5384865260 6731081575 7918919500 13462163150 26924326300 33655407875 67310815750 134621631500