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1540726608960 = 263557112149157
BaseRepresentation
bin10110011010111010011…
…101100101010001000000
312110021212212221020100000
4112122322131211101000
5200220402002441320
63135444450200000
7216212433043560
oct26327235452100
95407785836300
101540726608960
11544467005500
1220a72a283000
13b239cb938a6
145480053ada0
152a127a5cc90
hex166ba765440

1540726608960 has 2016 divisors, whose sum is σ = 6994333382400. Its totient is φ = 315976826880.

The previous prime is 1540726608923. The next prime is 1540726608961. The reversal of 1540726608960 is 698066270451.

1540726608960 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 7 + 26 + 608 + 9 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

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

It is a junction number, because it is equal to n+sod(n) for n = 1540726608897 and 1540726608906.

It is not an unprimeable number, because it can be changed into a prime (1540726608961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 9813545202 + ... + 9813545358.

It is an arithmetic number, because the mean of its divisors is an integer number (3469411400).

Almost surely, 21540726608960 is an apocalyptic number.

1540726608960 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 1540726608960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3497166691200).

1540726608960 is an abundant number, since it is smaller than the sum of its proper divisors (5453606773440).

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

1540726608960 is a wasteful number, since it uses less digits than its factorization.

1540726608960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 1540726608960 in words is "one trillion, five hundred forty billion, seven hundred twenty-six million, six hundred eight thousand, nine hundred sixty".