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70738372389017 = 389181846715653
BaseRepresentation
bin10000000101011000001111…
…100011101110100010011001
3100021110112002210112111111202
4100011120033203232202121
533232434141312422032
6410240432030203545
720620451545261604
oct2005301743564231
9307415083474452
1070738372389017
11205a2a80082613
127b256a19535b5
1330617a4c73978
141367a810d733b
1582a10272ed62
hex40560f8ee899

70738372389017 has 4 divisors (see below), whose sum is σ = 70920219105060. Its totient is φ = 70556525672976.

The previous prime is 70738372389011. The next prime is 70738372389043. The reversal of 70738372389017 is 71098327383707.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7002882519616 + 63735489869401 = 2646296^2 + 7983451^2 .

It is a cyclic number.

It is not a de Polignac number, because 70738372389017 - 234 = 70721192519833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70738372389011) 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, 90923357438 + ... + 90923358215.

It is an arithmetic number, because the mean of its divisors is an integer number (17730054776265).

Almost surely, 270738372389017 is an apocalyptic number.

It is an amenable number.

70738372389017 is a deficient number, since it is larger than the sum of its proper divisors (181846716043).

70738372389017 is a wasteful number, since it uses less digits than its factorization.

70738372389017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181846716042.

The product of its (nonzero) digits is 74680704, while the sum is 65.

The spelling of 70738372389017 in words is "seventy trillion, seven hundred thirty-eight billion, three hundred seventy-two million, three hundred eighty-nine thousand, seventeen".

Divisors: 1 389 181846715653 70738372389017