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42370687871 = 67033632087
BaseRepresentation
bin100111011101011111…
…010110001101111111
311001100212220221212222
4213131133112031333
51143233344002441
631244222515555
73026661622151
oct473537261577
9131325827788
1042370687871
1116a7316aa16
128265a35bbb
133cc3277355
14209d39aad1
15117ebbcd4b
hex9dd7d637f

42370687871 has 4 divisors (see below), whose sum is σ = 42371386992. Its totient is φ = 42369988752.

The previous prime is 42370687867. The next prime is 42370687889. The reversal of 42370687871 is 17878607324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42370687871 - 22 = 42370687867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42370687841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249011 + ... + 383076.

It is an arithmetic number, because the mean of its divisors is an integer number (10592846748).

Almost surely, 242370687871 is an apocalyptic number.

42370687871 is a deficient number, since it is larger than the sum of its proper divisors (699121).

42370687871 is an equidigital number, since it uses as much as digits as its factorization.

42370687871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699120.

The product of its (nonzero) digits is 3161088, while the sum is 53.

The spelling of 42370687871 in words is "forty-two billion, three hundred seventy million, six hundred eighty-seven thousand, eight hundred seventy-one".

Divisors: 1 67033 632087 42370687871