Search a number
-
+
67052270669 = 244727401827
BaseRepresentation
bin111110011100101000…
…000111010001001101
320102001222200021102012
4332130220013101031
52044310340130134
650445310511005
74562421616406
oct763450072115
9212058607365
1067052270669
112648929342a
1210bb3805465
136427834c07
1433613389ad
151b269446ce
hexf9ca0744d

67052270669 has 4 divisors (see below), whose sum is σ = 67079674944. Its totient is φ = 67024866396.

The previous prime is 67052270629. The next prime is 67052270683. The reversal of 67052270669 is 96607225076.

It is a happy number.

67052270669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-67052270669 is a prime.

It is a super-2 number, since 2×670522706692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67052270609) 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, 13698467 + ... + 13703360.

It is an arithmetic number, because the mean of its divisors is an integer number (16769918736).

Almost surely, 267052270669 is an apocalyptic number.

It is an amenable number.

67052270669 is a deficient number, since it is larger than the sum of its proper divisors (27404275).

67052270669 is a wasteful number, since it uses less digits than its factorization.

67052270669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27404274.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 67052270669 in words is "sixty-seven billion, fifty-two million, two hundred seventy thousand, six hundred sixty-nine".

Divisors: 1 2447 27401827 67052270669