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70018006200 = 23352251464927
BaseRepresentation
bin100000100110101100…
…1011111110010111000
320200201200020020201220
41001031121133302320
52121344102144300
652055452512040
75026053142602
oct1011531376270
9220650206656
1070018006200
112777038042a
12116a0a7b620
1367ab0b03cc
143563182172
151c4bebada0
hex104d65fcb8

70018006200 has 96 divisors (see below), whose sum is σ = 217921052160. Its totient is φ = 18597040000.

The previous prime is 70018006183. The next prime is 70018006213. The reversal of 70018006200 is 260081007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 81864 + ... + 383063.

It is an arithmetic number, because the mean of its divisors is an integer number (2270010960).

Almost surely, 270018006200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70018006200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108960526080).

70018006200 is an abundant number, since it is smaller than the sum of its proper divisors (147903045960).

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

70018006200 is a wasteful number, since it uses less digits than its factorization.

70018006200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465197 (or 465188 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 70018006200 its reverse (260081007), we get a palindrome (70278087207).

The spelling of 70018006200 in words is "seventy billion, eighteen million, six thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 251 300 502 600 753 1004 1255 1506 2008 2510 3012 3765 5020 6024 6275 7530 10040 12550 15060 18825 25100 30120 37650 50200 75300 150600 464927 929854 1394781 1859708 2324635 2789562 3719416 4649270 5579124 6973905 9298540 11158248 11623175 13947810 18597080 23246350 27895620 34869525 46492700 55791240 69739050 92985400 116696677 139478100 233393354 278956200 350090031 466786708 583483385 700180062 933573416 1166966770 1400360124 1750450155 2333933540 2800720248 2917416925 3500900310 4667867080 5834833850 7001800620 8752250775 11669667700 14003601240 17504501550 23339335400 35009003100 70018006200