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42870277538 = 2111948648979
BaseRepresentation
bin100111111011010001…
…001000010110100010
311002122200222202001222
4213323101020112202
51200244242340123
631405550455042
73045236226614
oct477321102642
9132580882058
1042870277538
11171aa177040
128385204482
13407291773a
142109886db4
1511ad9a46c8
hex9fb4485a2

42870277538 has 8 divisors (see below), whose sum is σ = 70151363280. Its totient is φ = 19486489780.

The previous prime is 42870277517. The next prime is 42870277577. The reversal of 42870277538 is 83577207824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42870277538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 974324468 + ... + 974324511.

It is an arithmetic number, because the mean of its divisors is an integer number (8768920410).

Almost surely, 242870277538 is an apocalyptic number.

42870277538 is a deficient number, since it is larger than the sum of its proper divisors (27281085742).

42870277538 is a wasteful number, since it uses less digits than its factorization.

42870277538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948648992.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 42870277538 in words is "forty-two billion, eight hundred seventy million, two hundred seventy-seven thousand, five hundred thirty-eight".

Divisors: 1 2 11 22 1948648979 3897297958 21435138769 42870277538