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42168086124 = 22333710427321
BaseRepresentation
bin100111010001011010…
…011110111001101100
311000211202200201112120
4213101122132321230
51142330012223444
631212144232540
73021651550413
oct472132367154
9130752621476
1042168086124
111697987025a
12820a00b750
133c902bba68
1420804dc47a
15116beecb19
hex9d169ee6c

42168086124 has 24 divisors (see below), whose sum is σ = 98684175408. Its totient is φ = 14014318080.

The previous prime is 42168086123. The next prime is 42168086137.

42168086124 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×421680861242 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42168086123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5209617 + ... + 5217704.

It is an arithmetic number, because the mean of its divisors is an integer number (4111840642).

Almost surely, 242168086124 is an apocalyptic number.

It is an amenable number.

42168086124 is an abundant number, since it is smaller than the sum of its proper divisors (56516089284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42168086124 is a wasteful number, since it uses less digits than its factorization.

42168086124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427665 (or 10427663 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 42168086124 in words is "forty-two billion, one hundred sixty-eight million, eighty-six thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 337 674 1011 1348 2022 4044 10427321 20854642 31281963 41709284 62563926 125127852 3514007177 7028014354 10542021531 14056028708 21084043062 42168086124