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11111120130 = 23511314159449
BaseRepresentation
bin10100101100100011…
…00011110100000010
31001200100112101101210
422112101203310002
5140223421321010
65034313510550
7542225651145
oct122621436402
931610471353
1011111120130
114791a35010
1221a1112456
131080c627c6
1477595805c
154506ddb20
hex296463d02

11111120130 has 256 divisors, whose sum is σ = 31352832000. Its totient is φ = 2494464000.

The previous prime is 11111120123. The next prime is 11111120131. The reversal of 11111120130 is 3102111111.

It is not an unprimeable number, because it can be changed into a prime (11111120131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24746146 + ... + 24746594.

It is an arithmetic number, because the mean of its divisors is an integer number (122472000).

Almost surely, 211111120130 is an apocalyptic number.

11111120130 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 11111120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15676416000).

11111120130 is an abundant number, since it is smaller than the sum of its proper divisors (20241711870).

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

11111120130 is a wasteful number, since it uses less digits than its factorization.

11111120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11111120130 its reverse (3102111111), we get a palindrome (14213231241).

The spelling of 11111120130 in words is "eleven billion, one hundred eleven million, one hundred twenty thousand, one hundred thirty".