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1028455483950 = 233526712179343
BaseRepresentation
bin11101111011101001011…
…10010100101000101110
310122022121211102210011000
432331310232110220232
5113322234100441300
62104244350141130
7134206041242436
oct16756456245056
93568554383130
101028455483950
11367190344184
121473a37b17a6
1375ca16833cb
1437ac56c12c6
151bb449a0c00
hexef74b94a2e

1028455483950 has 192 divisors, whose sum is σ = 2878935736320. Its totient is φ = 269910558720.

The previous prime is 1028455483949. The next prime is 1028455483969. The reversal of 1028455483950 is 593845548201.

1028455483950 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 4 + 5 + 548 + 3 + 95 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 110072979 + ... + 110082321.

It is an arithmetic number, because the mean of its divisors is an integer number (14994456960).

Almost surely, 21028455483950 is an apocalyptic number.

1028455483950 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 1028455483950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439467868160).

1028455483950 is an abundant number, since it is smaller than the sum of its proper divisors (1850480252370).

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

1028455483950 is a wasteful number, since it uses less digits than its factorization.

1028455483950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10648 (or 10637 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 1028455483950 in words is "one trillion, twenty-eight billion, four hundred fifty-five million, four hundred eighty-three thousand, nine hundred fifty".