Search a number
-
+
70107113 = 83698377
BaseRepresentation
bin1000010110110…
…11111111101001
311212220210212202
410023123333221
5120421411423
610542345545
71510620626
oct413337751
9155823782
1070107113
113663456a
121b58b2b5
13116a84cb
14944d34d
15624c728
hex42dbfe9

70107113 has 4 divisors (see below), whose sum is σ = 70123860. Its totient is φ = 70090368.

The previous prime is 70107109. The next prime is 70107143. The reversal of 70107113 is 31170107.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 29300569 + 40806544 = 5413^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 70107113 - 22 = 70107109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70107143) by changing a digit.

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, 4181 + ... + 12557.

It is an arithmetic number, because the mean of its divisors is an integer number (17530965).

Almost surely, 270107113 is an apocalyptic number.

It is an amenable number.

70107113 is a deficient number, since it is larger than the sum of its proper divisors (16747).

70107113 is an equidigital number, since it uses as much as digits as its factorization.

70107113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16746.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 70107113 is about 8372.9990445479. Note that the first 3 decimals coincide. The cubic root of 70107113 is about 412.3386339143.

The spelling of 70107113 in words is "seventy million, one hundred seven thousand, one hundred thirteen".

Divisors: 1 8369 8377 70107113