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42125430031223 = 7113783178145069
BaseRepresentation
bin10011001010000000101110…
…10010110000001101110111
312112011011002122111122021112
421211000113102300031313
521010140340041444343
6225332053322105235
711605314266162030
oct1145002722601567
9175134078448245
1042125430031223
1112471327054890
12488423534b21b
131a67545c9c606
14a58c4b513a87
154d0ba474d218
hex2650174b0377

42125430031223 has 32 divisors (see below), whose sum is σ = 54589350090240. Its totient is φ = 31553054444160.

The previous prime is 42125430031193. The next prime is 42125430031247. The reversal of 42125430031223 is 32213003452124.

It is a cyclic number.

It is not a de Polignac number, because 42125430031223 - 236 = 42056710554487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42125430031223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42125430031523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88836068 + ... + 89309001.

It is an arithmetic number, because the mean of its divisors is an integer number (1705917190320).

Almost surely, 242125430031223 is an apocalyptic number.

42125430031223 is a deficient number, since it is larger than the sum of its proper divisors (12463920059017).

42125430031223 is a wasteful number, since it uses less digits than its factorization.

42125430031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178145207.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 42125430031223 its reverse (32213003452124), we get a palindrome (74338433483347).

The spelling of 42125430031223 in words is "forty-two trillion, one hundred twenty-five billion, four hundred thirty million, thirty-one thousand, two hundred twenty-three".

Divisors: 1 7 11 37 77 83 259 407 581 913 2849 3071 6391 21497 33781 236467 178145069 1247015483 1959595759 6591367553 13717170313 14786040727 46139572871 72505043083 103502285089 162646447997 507535301581 547083506899 1138525135979 3829584548293 6017918575889 42125430031223