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42679109345 = 568370917627
BaseRepresentation
bin100111101111110111…
…111000011011100001
311002011101021101121112
4213233313320123201
51144401322444340
631335001233105
73040425305135
oct475767703341
9132141241545
1042679109345
11171112765a4
128331192795
134042133372
1420cc3233c5
15119bce2065
hex9efdf86e1

42679109345 has 16 divisors (see below), whose sum is σ = 51365171520. Its totient is φ = 34043279424.

The previous prime is 42679109321. The next prime is 42679109351. The reversal of 42679109345 is 54390197624.

It is a cyclic number.

It is not a de Polignac number, because 42679109345 - 28 = 42679109089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42679109293 and 42679109302.

It is an unprimeable number.

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, 2412422 + ... + 2430048.

It is an arithmetic number, because the mean of its divisors is an integer number (3210323220).

Almost surely, 242679109345 is an apocalyptic number.

It is an amenable number.

42679109345 is a deficient number, since it is larger than the sum of its proper divisors (8686062175).

42679109345 is a wasteful number, since it uses less digits than its factorization.

42679109345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19024.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 42679109345 in words is "forty-two billion, six hundred seventy-nine million, one hundred nine thousand, three hundred forty-five".

Divisors: 1 5 683 709 3415 3545 17627 88135 484247 2421235 12039241 12497543 60196205 62487715 8535821869 42679109345