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42878514420708 = 2233573209535059
BaseRepresentation
bin10011011111111011011101…
…00111101101101111100100
312121211010221101122102120220
421233331232213231233210
521110010144142430313
6231110041222124340
712013604362651341
oct1157755647555744
9177733841572526
1042878514420708
1112731748605a4a
1249861878806b0
131ac05711c9ab5
14a8348ca3b7c8
154e557dd5d823
hex26ff6e9edbe4

42878514420708 has 12 divisors (see below), whose sum is σ = 100049866981680. Its totient is φ = 14292838140232.

The previous prime is 42878514420697. The next prime is 42878514420743. The reversal of 42878514420708 is 80702441587824.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786604767518 + ... + 1786604767541.

It is an arithmetic number, because the mean of its divisors is an integer number (8337488915140).

Almost surely, 242878514420708 is an apocalyptic number.

It is an amenable number.

42878514420708 is an abundant number, since it is smaller than the sum of its proper divisors (57171352560972).

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

42878514420708 is a wasteful number, since it uses less digits than its factorization.

42878514420708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573209535066 (or 3573209535064 counting only the distinct ones).

The product of its (nonzero) digits is 32112640, while the sum is 60.

The spelling of 42878514420708 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred fourteen million, four hundred twenty thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 3573209535059 7146419070118 10719628605177 14292838140236 21439257210354 42878514420708