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2011443230 = 251738330893
BaseRepresentation
bin111011111100100…
…0011000000011110
312012011212220101102
41313321003000132
513104412140410
6531332113102
7100562661656
oct16771030036
95164786342
102011443230
11942453085
12481765792
13260952ac4
141511d7366
15bb8c32a5
hex77e4301e

2011443230 has 32 divisors (see below), whose sum is σ = 3843707904. Its totient is φ = 755247616.

The previous prime is 2011443211. The next prime is 2011443233. The reversal of 2011443230 is 323441102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011443233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49664 + ... + 80556.

It is an arithmetic number, because the mean of its divisors is an integer number (120115872).

Almost surely, 22011443230 is an apocalyptic number.

2011443230 is a deficient number, since it is larger than the sum of its proper divisors (1832264674).

2011443230 is a wasteful number, since it uses less digits than its factorization.

2011443230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31300.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2011443230 is about 44849.1162677705. The cubic root of 2011443230 is about 1262.3194092572.

Adding to 2011443230 its reverse (323441102), we get a palindrome (2334884332).

The spelling of 2011443230 in words is "two billion, eleven million, four hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 383 766 1915 3830 6511 13022 30893 32555 61786 65110 154465 308930 525181 1050362 2625905 5251810 11832019 23664038 59160095 118320190 201144323 402288646 1005721615 2011443230