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2122312023 = 34132015491
BaseRepresentation
bin111111001111111…
…1110100101010111
312110220111121210000
41332133332211113
513321302441043
6550332302343
7103410232416
oct17637764527
95426447700
102122312023
11999a98487
124b29119b3
1327a900740
14161c1747d
15c64c32d3
hex7e7fe957

2122312023 has 20 divisors (see below), whose sum is σ = 3414243448. Its totient is φ = 1306037520.

The previous prime is 2122312021. The next prime is 2122312037. The reversal of 2122312023 is 3202132212.

It is not a de Polignac number, because 2122312023 - 21 = 2122312021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122311987 and 2122312005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122312021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1006693 + ... + 1008798.

Almost surely, 22122312023 is an apocalyptic number.

2122312023 is a deficient number, since it is larger than the sum of its proper divisors (1291931425).

2122312023 is a wasteful number, since it uses less digits than its factorization.

2122312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015516 (or 2015507 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2122312023 is about 46068.5578567422. The cubic root of 2122312023 is about 1285.0984845814.

Adding to 2122312023 its reverse (3202132212), we get a palindrome (5324444235).

The spelling of 2122312023 in words is "two billion, one hundred twenty-two million, three hundred twelve thousand, twenty-three".

Divisors: 1 3 9 13 27 39 81 117 351 1053 2015491 6046473 18139419 26201383 54418257 78604149 163254771 235812447 707437341 2122312023