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2018727842 = 249114091459
BaseRepresentation
bin111100001010011…
…0101011110100010
312012200120222222212
41320110311132202
513113243242332
6532152202122
7101011621625
oct17024653642
95180528885
102018727842
1194657911a
12484099342
13262303721
14152171dbc
15bc3618b2
hex785357a2

2018727842 has 16 divisors (see below), whose sum is σ = 3038493600. Its totient is φ = 1005903360.

The previous prime is 2018727791. The next prime is 2018727853. The reversal of 2018727842 is 2487278102.

It is a self number, because there is not a number n which added to its sum of digits gives 2018727842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382909 + ... + 1384367.

It is an arithmetic number, because the mean of its divisors is an integer number (189905850).

Almost surely, 22018727842 is an apocalyptic number.

2018727842 is a deficient number, since it is larger than the sum of its proper divisors (1019765758).

2018727842 is a wasteful number, since it uses less digits than its factorization.

2018727842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361.

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 2018727842 is about 44930.2553075319. The cubic root of 2018727842 is about 1263.8414388943.

The spelling of 2018727842 in words is "two billion, eighteen million, seven hundred twenty-seven thousand, eight hundred forty-two".

Divisors: 1 2 491 982 1409 1459 2818 2918 691819 716369 1383638 1432738 2055731 4111462 1009363921 2018727842