Search a number
-
+
69710730973 = 135362363921
BaseRepresentation
bin100000011101100010…
…1010101011011011101
320122221021001001100221
41000323011111123131
52120231421342343
652005154521341
75015332302502
oct1007305253335
9218837031327
1069710730973
1127622987a64
1211615b96251
13675c536050
1435344374a9
151c300215ed
hex103b1556dd

69710730973 has 4 divisors (see below), whose sum is σ = 75073094908. Its totient is φ = 64348367040.

The previous prime is 69710730923. The next prime is 69710730977. The reversal of 69710730973 is 37903701796.

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 42163694244 + 27547036729 = 205338^2 + 165973^2 .

It is a cyclic number.

It is not a de Polignac number, because 69710730973 - 29 = 69710730461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69710730973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69710730977) 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 3 ways as a sum of consecutive naturals, for example, 2681181948 + ... + 2681181973.

It is an arithmetic number, because the mean of its divisors is an integer number (18768273727).

Almost surely, 269710730973 is an apocalyptic number.

It is an amenable number.

69710730973 is a deficient number, since it is larger than the sum of its proper divisors (5362363935).

69710730973 is a wasteful number, since it uses less digits than its factorization.

69710730973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362363934.

The product of its (nonzero) digits is 1500282, while the sum is 52.

The spelling of 69710730973 in words is "sixty-nine billion, seven hundred ten million, seven hundred thirty thousand, nine hundred seventy-three".

Divisors: 1 13 5362363921 69710730973