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1118993130 = 2365296779
BaseRepresentation
bin100001010110010…
…0111101011101010
32212222120202000000
41002230213223222
54242430240010
6303011523430
736505166433
oct10254475352
92788522000
101118993130
11524708112
122728b9576
1314aaa0a18
14a888448a
15683887c0
hex42b27aea

1118993130 has 224 divisors, whose sum is σ = 3210796800. Its totient is φ = 280215936.

The previous prime is 1118993107. The next prime is 1118993131. The reversal of 1118993130 is 313998111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118993131) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 14164431 + ... + 14164509.

Almost surely, 21118993130 is an apocalyptic number.

1118993130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118993130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605398400).

1118993130 is an abundant number, since it is smaller than the sum of its proper divisors (2091803670).

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

1118993130 is an equidigital number, since it uses as much as digits as its factorization.

1118993130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 1118993130 is about 33451.3546810888. The cubic root of 1118993130 is about 1038.1875266791.

The spelling of 1118993130 in words is "one billion, one hundred eighteen million, nine hundred ninety-three thousand, one hundred thirty".