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1010731131648 = 28327210938191
BaseRepresentation
bin11101011010101000100…
…01010010001100000000
310120121212120221101200100
432231110101102030000
5113024434132203043
62052153511522400
7133010600603100
oct16552421221400
93517776841610
101010731131648
1135a715412a37
12143a77989400
13744085a5494
1436cc3729200
151b4588e5cd3
hexeb54452300

1010731131648 has 324 divisors, whose sum is σ = 3393488437248. Its totient is φ = 288480890880.

The previous prime is 1010731131623. The next prime is 1010731131649. The reversal of 1010731131648 is 8461311370101.

It is a happy number.

1010731131648 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 7 + 3 + 1 + 1 + 3 + 1 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1010731131649) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 123391233 + ... + 123399423.

Almost surely, 21010731131648 is an apocalyptic number.

1010731131648 is a gapful number since it is divisible by the number (18) 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 1010731131648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696744218624).

1010731131648 is an abundant number, since it is smaller than the sum of its proper divisors (2382757305600).

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

1010731131648 is a wasteful number, since it uses less digits than its factorization.

1010731131648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9320 (or 9296 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 1010731131648 in words is "one trillion, ten billion, seven hundred thirty-one million, one hundred thirty-one thousand, six hundred forty-eight".