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212211312023 = 1374349356171
BaseRepresentation
bin1100010110100011000…
…1111010010110010111
3202021202101000121110002
43011220301322112113
511434102043441043
6241253304521515
721221536250534
oct3055061722627
9667671017402
10212211312023
1181aa8831707
123516518029b
131701c19baa9
14a3b1bc7d8b
1557c0535bb8
hex3168c7a597

212211312023 has 8 divisors (see below), whose sum is σ = 213810051600. Its totient is φ = 210613293760.

The previous prime is 212211312017. The next prime is 212211312083. The reversal of 212211312023 is 320213112212.

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 212211312023 - 210 = 212211310999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212211311986 and 212211312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211312083) 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, 417728 + ... + 773898.

It is an arithmetic number, because the mean of its divisors is an integer number (26726256450).

Almost surely, 2212211312023 is an apocalyptic number.

212211312023 is a deficient number, since it is larger than the sum of its proper divisors (1598739577).

212211312023 is a wasteful number, since it uses less digits than its factorization.

212211312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360657.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212211312023 its reverse (320213112212), we get a palindrome (532424424235).

The spelling of 212211312023 in words is "two hundred twelve billion, two hundred eleven million, three hundred twelve thousand, twenty-three".

Divisors: 1 137 4349 356171 595813 48795427 1548987679 212211312023