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2028797312330 = 251815653198281
BaseRepresentation
bin11101100001011101101…
…111100011110101001010
321011221200101001220000102
4131201131233203311022
5231214434102443310
64152003331205402
7266401326422615
oct35413557436512
97157611056012
102028797312330
11712454212868
12289240146862
13119412703859
14702a12a917c
1537b912398a5
hex1d85dbe3d4a

2028797312330 has 32 divisors (see below), whose sum is σ = 3672679138128. Its totient is φ = 806888563200.

The previous prime is 2028797312327. The next prime is 2028797312363. The reversal of 2028797312330 is 332137978202.

It can be written as a sum of positive squares in 8 ways, for example, as 1209245517649 + 819551794681 = 1099657^2 + 905291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10132790 + ... + 10331070.

Almost surely, 22028797312330 is an apocalyptic number.

2028797312330 is a deficient number, since it is larger than the sum of its proper divisors (1643881825798).

2028797312330 is a wasteful number, since it uses less digits than its factorization.

2028797312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204122.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 2028797312330 in words is "two trillion, twenty-eight billion, seven hundred ninety-seven million, three hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 181 362 905 1810 5653 11306 28265 56530 198281 396562 991405 1023193 1982810 2046386 5115965 10231930 35888861 71777722 179444305 358888610 1120882493 2241764986 5604412465 11208824930 202879731233 405759462466 1014398656165 2028797312330