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42878306105768 = 237765684037603
BaseRepresentation
bin10011011111111011000100…
…01101000011100110101000
312121211010101212122221012202
421233331202031003212220
521110004232330341033
6231110004421155332
712013566253213220
oct1157754215034650
9177733355587182
1042878306105768
1112731650a63941
124986129b5bb48
131ac0539cc0c13
14a8346d0d3080
154e556a9108e8
hex26ff623439a8

42878306105768 has 16 divisors (see below), whose sum is σ = 91882084512480. Its totient is φ = 18376416902448.

The previous prime is 42878306105759. The next prime is 42878306105773. The reversal of 42878306105768 is 86750160387824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382842018746 + ... + 382842018857.

It is an arithmetic number, because the mean of its divisors is an integer number (5742630282030).

Almost surely, 242878306105768 is an apocalyptic number.

It is an amenable number.

42878306105768 is an abundant number, since it is smaller than the sum of its proper divisors (49003778406712).

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

42878306105768 is a wasteful number, since it uses less digits than its factorization.

42878306105768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765684037616 (or 765684037612 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 65.

The spelling of 42878306105768 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred six million, one hundred five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 56 765684037603 1531368075206 3062736150412 5359788263221 6125472300824 10719576526442 21439153052884 42878306105768