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1118611914 = 23751135209
BaseRepresentation
bin100001010101100…
…1010100111001010
32212221212101001220
41002223022213022
54242331040124
6302555422510
736502021140
oct10253124712
92787771056
101118611914
11524477762
12272754a36
1314a999354
14a87c5590
1568310879
hex42aca9ca

1118611914 has 32 divisors (see below), whose sum is σ = 2557818240. Its totient is φ = 319479552.

The previous prime is 1118611903. The next prime is 1118611943. The reversal of 1118611914 is 4191168111.

It is a happy number.

It is a super-2 number, since 2×11186119142 = 2502585228285486792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212142 + ... + 217350.

It is an arithmetic number, because the mean of its divisors is an integer number (79931820).

Almost surely, 21118611914 is an apocalyptic number.

1118611914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1118611914 is an abundant number, since it is smaller than the sum of its proper divisors (1439206326).

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

1118611914 is a wasteful number, since it uses less digits than its factorization.

1118611914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10334.

The product of its digits is 1728, while the sum is 33.

The square root of 1118611914 is about 33445.6561305052. The cubic root of 1118611914 is about 1038.0696175106.

The spelling of 1118611914 in words is "one billion, one hundred eighteen million, six hundred eleven thousand, nine hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 5113 5209 10226 10418 15339 15627 30678 31254 35791 36463 71582 72926 107373 109389 214746 218778 26633617 53267234 79900851 159801702 186435319 372870638 559305957 1118611914