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668082250113800 = 235219175811118451
BaseRepresentation
bin1001011111100111100000010…
…1001100101110001100001000
310020121111001001200202210101212
42113321320011030232030020
51200031324422012120200
610324520425420232252
7260502230646656234
oct22771700514561410
93217431050683355
10668082250113800
11183965100359145
1262b1a99599b688
13228a1b69310852
14bad94d3b835c4
1552385449c0035
hex25f9e0532e308

668082250113800 has 48 divisors (see below), whose sum is σ = 1635043401603600. Its totient is φ = 253168010568000.

The previous prime is 668082250113757. The next prime is 668082250113821. The reversal of 668082250113800 is 8311052280866.

It is a super-2 number, since 2×6680822501138002 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

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 11 ways as a sum of consecutive naturals, for example, 87905555426 + ... + 87905563025.

It is an arithmetic number, because the mean of its divisors is an integer number (34063404200075).

Almost surely, 2668082250113800 is an apocalyptic number.

It is an amenable number.

668082250113800 is an abundant number, since it is smaller than the sum of its proper divisors (966961151489800).

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

668082250113800 is a wasteful number, since it uses less digits than its factorization.

668082250113800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175811118486 (or 175811118477 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 668082250113800 in words is "six hundred sixty-eight trillion, eighty-two billion, two hundred fifty million, one hundred thirteen thousand, eight hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 475 760 950 1900 3800 175811118451 351622236902 703244473804 879055592255 1406488947608 1758111184510 3340411250569 3516222369020 4395277961275 6680822501138 7032444738040 8790555922550 13361645002276 16702056252845 17581111845100 26723290004552 33404112505690 35162223690200 66808225011380 83510281264225 133616450022760 167020562528450 334041125056900 668082250113800