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2011213210 = 25709283669
BaseRepresentation
bin111011111100000…
…1010110110011010
312012011110012212011
41313320022312122
513104332310320
6531323140134
7100561013236
oct16770126632
95164405764
102011213210
11942306286
1248167464a
132608a21b6
141511775c6
15bb87a05a
hex77e0ad9a

2011213210 has 16 divisors (see below), whose sum is σ = 3625302600. Its totient is φ = 803347776.

The previous prime is 2011213177. The next prime is 2011213241. The reversal of 2011213210 is 123121102.

It can be written as a sum of positive squares in 4 ways, for example, as 981380929 + 1029832281 = 31327^2 + 32091^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134745 + ... + 148924.

Almost surely, 22011213210 is an apocalyptic number.

2011213210 is a deficient number, since it is larger than the sum of its proper divisors (1614089390).

2011213210 is a wasteful number, since it uses less digits than its factorization.

2011213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284385.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2011213210 is about 44846.5518183951. The cubic root of 2011213210 is about 1262.2712896161.

Adding to 2011213210 its reverse (123121102), we get a palindrome (2134334312).

The spelling of 2011213210 in words is "two billion, eleven million, two hundred thirteen thousand, two hundred ten".

Divisors: 1 2 5 10 709 1418 3545 7090 283669 567338 1418345 2836690 201121321 402242642 1005606605 2011213210