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105312533435250 = 23534782718311973
BaseRepresentation
bin10111111100011111111100…
…001001010101001101110010
3111210212210001112020011101120
4113330133330021111031302
5102300420032024412000
61011551524315243110
731116402516234441
oct2774377411251562
9453783045204346
10105312533435250
11306128816a5389
12b98a336449496
13469bc1086118b
141c012220d4d58
15c29649b906a0
hex5fc7fc255372

105312533435250 has 256 divisors, whose sum is σ = 269060556570624. Its totient is φ = 27423688992000.

The previous prime is 105312533435231. The next prime is 105312533435309. The reversal of 105312533435250 is 52534335213501.

It is a super-2 number, since 2×1053125334352502 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53376853264 + ... + 53376855236.

It is an arithmetic number, because the mean of its divisors is an integer number (1051017799104).

Almost surely, 2105312533435250 is an apocalyptic number.

105312533435250 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 105312533435250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134530278285312).

105312533435250 is an abundant number, since it is smaller than the sum of its proper divisors (163748023135374).

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

105312533435250 is a wasteful number, since it uses less digits than its factorization.

105312533435250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698 (or 4688 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

Adding to 105312533435250 its reverse (52534335213501), we get a palindrome (157846868648751).

The spelling of 105312533435250 in words is "one hundred five trillion, three hundred twelve billion, five hundred thirty-three million, four hundred thirty-five thousand, two hundred fifty".