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23020132312 = 2326431108869
BaseRepresentation
bin10101011100000110…
…110101011111011000
32012102022102212221001
4111130012311133120
5334121123213222
614324133154344
71443313616242
oct253406653730
965368385831
1023020132312
1198432a0141
12456548b9b4
13222b2ba888
14118544d092
158eae89e27
hex55c1b57d8

23020132312 has 16 divisors (see below), whose sum is σ = 43164777600. Its totient is φ = 11509524960.

The previous prime is 23020132279. The next prime is 23020132349. The reversal of 23020132312 is 21323102032.

It is a self number, because there is not a number n which added to its sum of digits gives 23020132312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157014 + ... + 265882.

It is an arithmetic number, because the mean of its divisors is an integer number (2697798600).

Almost surely, 223020132312 is an apocalyptic number.

It is an amenable number.

23020132312 is a deficient number, since it is larger than the sum of its proper divisors (20144645288).

23020132312 is a wasteful number, since it uses less digits than its factorization.

23020132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135306 (or 135302 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23020132312 its reverse (21323102032), we get a palindrome (44343234344).

The spelling of 23020132312 in words is "twenty-three billion, twenty million, one hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 26431 52862 105724 108869 211448 217738 435476 870952 2877516539 5755033078 11510066156 23020132312