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42578346468 = 2237670975553
BaseRepresentation
bin100111101001110111…
…100000000111100100
311001220100200002221010
4213221313200013210
51144200024041333
631321001422220
73035062654620
oct475167400744
9131810602833
1042578346468
111706a403999
12830349a970
1340272b3568
1420bcbb4180
15119303b563
hex9e9de01e4

42578346468 has 48 divisors (see below), whose sum is σ = 113560684160. Its totient is φ = 12163267584.

The previous prime is 42578346467. The next prime is 42578346479. The reversal of 42578346468 is 86464387524.

42578346468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42578346467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525780 + ... + 601332.

Almost surely, 242578346468 is an apocalyptic number.

It is an amenable number.

42578346468 is an abundant number, since it is smaller than the sum of its proper divisors (70982337692).

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

42578346468 is a wasteful number, since it uses less digits than its factorization.

42578346468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82276 (or 82274 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 57.

The spelling of 42578346468 in words is "forty-two billion, five hundred seventy-eight million, three hundred forty-six thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 6709 13418 20127 26836 40254 46963 75553 80508 93926 140889 151106 187852 226659 281778 302212 453318 528871 563556 906636 1057742 1586613 2115484 3173226 6346452 506885077 1013770154 1520655231 2027540308 3041310462 3548195539 6082620924 7096391078 10644586617 14192782156 21289173234 42578346468