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2211312023 = 23432235907
BaseRepresentation
bin1000001111001101…
…1111000110010111
312201002222021211022
42003303133012113
514012043441043
61003232031355
7105540561554
oct20363370627
95632867738
102211312023
11a352564a8
1251869255b
1329319246b
1416d983a2b
15ce203868
hex83cdf197

2211312023 has 8 divisors (see below), whose sum is σ = 2361118848. Its totient is φ = 2065977144.

The previous prime is 2211312011. The next prime is 2211312053. The reversal of 2211312023 is 3202131122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2211312023 - 26 = 2211311959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211311992 and 2211312010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211312053) 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, 1116965 + ... + 1118942.

It is an arithmetic number, because the mean of its divisors is an integer number (295139856).

Almost surely, 22211312023 is an apocalyptic number.

2211312023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2211312023 is a deficient number, since it is larger than the sum of its proper divisors (149806825).

2211312023 is a wasteful number, since it uses less digits than its factorization.

2211312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235973.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2211312023 is about 47024.5895569541. The cubic root of 2211312023 is about 1302.8167765588.

Adding to 2211312023 its reverse (3202131122), we get a palindrome (5413443145).

The spelling of 2211312023 in words is "two billion, two hundred eleven million, three hundred twelve thousand, twenty-three".

Divisors: 1 23 43 989 2235907 51425861 96144001 2211312023