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42878514405068 = 2223741451523887
BaseRepresentation
bin10011011111111011011101…
…00111101001111011001100
312121211010221101121122010122
421233331232213221323030
521110010144141430233
6231110041221524112
712013604362554626
oct1157755647517314
9177733841548118
1042878514405068
11127317485a5221
124986187873638
131ac05711c2944
14a8348ca35c16
154e557dd58d98
hex26ff6e9e9ecc

42878514405068 has 12 divisors (see below), whose sum is σ = 75040561042272. Its totient is φ = 21438354107280.

The previous prime is 42878514405053. The next prime is 42878514405079. The reversal of 42878514405068 is 86050441587824.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42878514405068.

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, 225666980 + ... + 225856907.

It is an arithmetic number, because the mean of its divisors is an integer number (6253380086856).

Almost surely, 242878514405068 is an apocalyptic number.

It is an amenable number.

42878514405068 is a deficient number, since it is larger than the sum of its proper divisors (32162046637204).

42878514405068 is a wasteful number, since it uses less digits than its factorization.

42878514405068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451547632 (or 451547630 counting only the distinct ones).

The product of its (nonzero) digits is 68812800, while the sum is 62.

The spelling of 42878514405068 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred fourteen million, four hundred five thousand, sixty-eight".

Divisors: 1 2 4 23741 47482 94964 451523887 903047774 1806095548 10719628601267 21439257202534 42878514405068