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42124310243 = 617921434079
BaseRepresentation
bin100111001110110011…
…011111011011100011
311000201201022200022122
4213032303133123203
51142232310411433
631203542054455
73020610505061
oct471663373343
9130651280278
1042124310243
1116957090844
1281b741a42b
133c84202682
142078785031
151168252198
hex9cecdf6e3

42124310243 has 16 divisors (see below), whose sum is σ = 43387699200. Its totient is φ = 40880155680.

The previous prime is 42124310233. The next prime is 42124310269. The reversal of 42124310243 is 34201342124.

It is a cyclic number.

It is not a de Polignac number, because 42124310243 - 28 = 42124309987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42124310233) 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 15 ways as a sum of consecutive naturals, for example, 10325078 + ... + 10329156.

It is an arithmetic number, because the mean of its divisors is an integer number (2711731200).

Almost surely, 242124310243 is an apocalyptic number.

42124310243 is a deficient number, since it is larger than the sum of its proper divisors (1263388957).

42124310243 is a wasteful number, since it uses less digits than its factorization.

42124310243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6362.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42124310243 its reverse (34201342124), we get a palindrome (76325652367).

The spelling of 42124310243 in words is "forty-two billion, one hundred twenty-four million, three hundred ten thousand, two hundred forty-three".

Divisors: 1 61 79 2143 4079 4819 130723 169297 248819 322241 8741297 10327117 19656701 533219117 690562463 42124310243