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2011141140 = 2235171971707
BaseRepresentation
bin111011111011111…
…1001010000010100
312012011022112222220
41313313321100110
513104323004030
6531321422340
7100560263151
oct16767712024
95164275886
102011141140
11942267118
1248163a9b0
13260878458
14151159228
15bb863a10
hex77df9414

2011141140 has 48 divisors (see below), whose sum is σ = 5962444992. Its totient is φ = 504756736.

The previous prime is 2011141103. The next prime is 2011141141. The reversal of 2011141140 is 411411102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011141141) 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, 984834 + ... + 986873.

It is an arithmetic number, because the mean of its divisors is an integer number (124217604).

Almost surely, 22011141140 is an apocalyptic number.

2011141140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011141140 is an abundant number, since it is smaller than the sum of its proper divisors (3951303852).

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

2011141140 is a wasteful number, since it uses less digits than its factorization.

2011141140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971736 (or 1971734 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2011141140 is about 44845.7482934559. The cubic root of 2011141140 is about 1262.2562119873.

Adding to 2011141140 its reverse (411411102), we get a palindrome (2422552242).

The spelling of 2011141140 in words is "two billion, eleven million, one hundred forty-one thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 1971707 3943414 5915121 7886828 9858535 11830242 19717070 23660484 29575605 33519019 39434140 59151210 67038038 100557057 118302420 134076076 167595095 201114114 335190190 402228228 502785285 670380380 1005570570 2011141140