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11312023210 = 251766541313
BaseRepresentation
bin10101000100011111…
…11100011010101010
31002012100120022121121
422202033330122222
5141131334220320
65110251525454
7550215416335
oct124217743252
932170508547
1011312023210
114885384514
12223845988a
1310b3774b77
147944d361c
154631758aa
hex2a23fc6aa

11312023210 has 16 divisors (see below), whose sum is σ = 21559385736. Its totient is φ = 4258643968.

The previous prime is 11312023181. The next prime is 11312023291. The reversal of 11312023210 is 1232021311.

It can be written as a sum of positive squares in 4 ways, for example, as 7403397849 + 3908625361 = 86043^2 + 62519^2 .

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, 33270487 + ... + 33270826.

Almost surely, 211312023210 is an apocalyptic number.

11312023210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312023210 is a deficient number, since it is larger than the sum of its proper divisors (10247362526).

11312023210 is a wasteful number, since it uses less digits than its factorization.

11312023210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66541337.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11312023210 its reverse (1232021311), we get a palindrome (12544044521).

The spelling of 11312023210 in words is "eleven billion, three hundred twelve million, twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 17 34 85 170 66541313 133082626 332706565 665413130 1131202321 2262404642 5656011605 11312023210