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42748704427 = 1113298941989
BaseRepresentation
bin100111110100000001…
…010111011010101011
311002100020020012010011
4213310001113122223
51200022132020202
631345525032351
73042231664222
oct476401273253
9132306205104
1042748704427
11171475903a0
1283505556b7
13405368c7a0
1420d767bcb9
1511a2e8cbd7
hex9f40576ab

42748704427 has 8 divisors (see below), whose sum is σ = 50222254320. Its totient is φ = 35873038560.

The previous prime is 42748704403. The next prime is 42748704433. The reversal of 42748704427 is 72440784724.

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

It is a cyclic number.

It is not a de Polignac number, because 42748704427 - 235 = 8388966059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42748704497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149470852 + ... + 149471137.

It is an arithmetic number, because the mean of its divisors is an integer number (6277781790).

Almost surely, 242748704427 is an apocalyptic number.

42748704427 is a deficient number, since it is larger than the sum of its proper divisors (7473549893).

42748704427 is a wasteful number, since it uses less digits than its factorization.

42748704427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298942013.

The product of its (nonzero) digits is 2809856, while the sum is 49.

The spelling of 42748704427 in words is "forty-two billion, seven hundred forty-eight million, seven hundred four thousand, four hundred twenty-seven".

Divisors: 1 11 13 143 298941989 3288361879 3886245857 42748704427