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1118165214 = 231787104287
BaseRepresentation
bin100001010100101…
…1101100011011110
32212221000200022110
41002221131203132
54242222241324
6302542054450
736465150615
oct10251354336
92787020273
101118165214
115241a2091
1227257a426
1314a870c2a
14a870a87c
1568273329
hex42a5d8de

1118165214 has 16 divisors (see below), whose sum is σ = 2237603328. Its totient is φ = 372509592.

The previous prime is 1118165201. The next prime is 1118165231. The reversal of 1118165214 is 4125618111.

It is a congruent number.

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, 41422 + ... + 62865.

It is an arithmetic number, because the mean of its divisors is an integer number (139850208).

Almost surely, 21118165214 is an apocalyptic number.

1118165214 is an abundant number, since it is smaller than the sum of its proper divisors (1119438114).

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

1118165214 is a wasteful number, since it uses less digits than its factorization.

1118165214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106079.

The product of its digits is 1920, while the sum is 30.

The square root of 1118165214 is about 33438.9774664238. The cubic root of 1118165214 is about 1037.9314202114.

The spelling of 1118165214 in words is "one billion, one hundred eighteen million, one hundred sixty-five thousand, two hundred fourteen".

Divisors: 1 2 3 6 1787 3574 5361 10722 104287 208574 312861 625722 186360869 372721738 559082607 1118165214