Search a number
-
+
66770110741 = 1729313404961
BaseRepresentation
bin111110001011110011…
…110000100100010101
320101100022202001202111
4332023303300210111
52043221122020431
650401311111021
74552424401615
oct761363604425
9211308661674
1066770110741
1126353a94504
1210b35212471
1363b1242389
143335a8aa45
151b0bcab7b1
hexf8bcf0915

66770110741 has 8 divisors (see below), whose sum is σ = 70939058904. Its totient is φ = 62627973120.

The previous prime is 66770110733. The next prime is 66770110763. The reversal of 66770110741 is 14701107766.

It can be written as a sum of positive squares in 4 ways, for example, as 24139836900 + 42630273841 = 155370^2 + 206471^2 .

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 66770110741 - 23 = 66770110733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66770110694 and 66770110703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66770110241) 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, 6697500 + ... + 6707461.

It is an arithmetic number, because the mean of its divisors is an integer number (8867382363).

Almost surely, 266770110741 is an apocalyptic number.

It is an amenable number.

66770110741 is a deficient number, since it is larger than the sum of its proper divisors (4168948163).

66770110741 is a wasteful number, since it uses less digits than its factorization.

66770110741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13405271.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 66770110741 in words is "sixty-six billion, seven hundred seventy million, one hundred ten thousand, seven hundred forty-one".

Divisors: 1 17 293 4981 13404961 227884337 3927653573 66770110741