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2212357023 = 3381939149
BaseRepresentation
bin1000001111011101…
…1110001110011111
312201011221101022000
42003313132032133
514012330411043
61003310253343
7105552503322
oct20367361637
95634841260
102212357023
11a358aa638
12518ab7253
13293469cc6
1416db767b9
15ce35d2d3
hex83dde39f

2212357023 has 8 divisors (see below), whose sum is σ = 3277566000. Its totient is φ = 1474904664.

The previous prime is 2212357019. The next prime is 2212357039. The reversal of 2212357023 is 3207532122.

It is a happy number.

It is not a de Polignac number, because 2212357023 - 22 = 2212357019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 81939149 = 2212357023 / (2 + 2 + 1 + 2 + 3 + 5 + 7 + 0 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212357003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40969548 + ... + 40969601.

It is an arithmetic number, because the mean of its divisors is an integer number (409695750).

Almost surely, 22212357023 is an apocalyptic number.

2212357023 is a deficient number, since it is larger than the sum of its proper divisors (1065208977).

2212357023 is an equidigital number, since it uses as much as digits as its factorization.

2212357023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81939158 (or 81939152 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2212357023 is about 47035.6994526498. The cubic root of 2212357023 is about 1303.0219683356.

Adding to 2212357023 its reverse (3207532122), we get a palindrome (5419889145).

The spelling of 2212357023 in words is "two billion, two hundred twelve million, three hundred fifty-seven thousand, twenty-three".

Divisors: 1 3 9 27 81939149 245817447 737452341 2212357023