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1081243716 = 223719677471
BaseRepresentation
bin100000001110010…
…0111100001000100
32210100112212112120
41000130213201010
54203244244331
6255142445540
735536264020
oct10034474104
92710485476
101081243716
11505374453
122621338b0
131430146a7
14a3859380
1564dcd796
hex40727844

1081243716 has 48 divisors (see below), whose sum is σ = 3035074560. Its totient is φ = 292667040.

The previous prime is 1081243693. The next prime is 1081243747. The reversal of 1081243716 is 6173421801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337140 + ... + 340331.

It is an arithmetic number, because the mean of its divisors is an integer number (63230720).

Almost surely, 21081243716 is an apocalyptic number.

It is an amenable number.

1081243716 is an abundant number, since it is smaller than the sum of its proper divisors (1953830844).

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

1081243716 is a wasteful number, since it uses less digits than its factorization.

1081243716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677504 (or 677502 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1081243716 is about 32882.2705420413. The cubic root of 1081243716 is about 1026.3792547830.

The spelling of 1081243716 in words is "one billion, eighty-one million, two hundred forty-three thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 677471 1354942 2032413 2709884 4064826 4742297 8129652 9484594 12871949 14226891 18969188 25743898 28453782 38615847 51487796 56907564 77231694 90103643 154463388 180207286 270310929 360414572 540621858 1081243716