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2312110220 = 225716515073
BaseRepresentation
bin1000100111010000…
…0000000010001100
312222010122100221212
42021310000002030
514213400011340
61021232313552
7111203420060
oct21164000214
95863570855
102312110220
11a871426a2
125463a28b8
132ab025374
1417d101aa0
15d7eb4a65
hex89d0008c

2312110220 has 24 divisors (see below), whose sum is σ = 5549064864. Its totient is φ = 792723456.

The previous prime is 2312110219. The next prime is 2312110237. The reversal of 2312110220 is 220112132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2312110195 and 2312110204.

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, 8257397 + ... + 8257676.

It is an arithmetic number, because the mean of its divisors is an integer number (231211036).

Almost surely, 22312110220 is an apocalyptic number.

2312110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312110220 is an abundant number, since it is smaller than the sum of its proper divisors (3236954644).

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

2312110220 is a wasteful number, since it uses less digits than its factorization.

2312110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515089 (or 16515087 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2312110220 is about 48084.4072439289. The cubic root of 2312110220 is about 1322.3188159967.

Adding to 2312110220 its reverse (220112132), we get a palindrome (2532222352).

The spelling of 2312110220 in words is "two billion, three hundred twelve million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 16515073 33030146 66060292 82575365 115605511 165150730 231211022 330301460 462422044 578027555 1156055110 2312110220