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11212183080 = 2333574161593
BaseRepresentation
bin10100111000100110…
…00101011000101000
31001221101200220201000
422130103011120220
5140430304324310
65052323555000
7544563661260
oct123423053050
931841626630
1011212183080
114833a9210a
12220ab2ba60
131098b89077
147851447a0
154595034c0
hex29c4c5628

11212183080 has 512 divisors, whose sum is σ = 44547148800. Its totient is φ = 2455142400.

The previous prime is 11212183061. The next prime is 11212183097. The reversal of 11212183080 is 8038121211.

It is a super-3 number, since 3×112121830803 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18907264 + ... + 18907856.

It is an arithmetic number, because the mean of its divisors is an integer number (87006150).

Almost surely, 211212183080 is an apocalyptic number.

11212183080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212183080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22273574400).

11212183080 is an abundant number, since it is smaller than the sum of its proper divisors (33334965720).

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

11212183080 is a wasteful number, since it uses less digits than its factorization.

11212183080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The spelling of 11212183080 in words is "eleven billion, two hundred twelve million, one hundred eighty-three thousand, eighty".