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69320655385 = 513864131077
BaseRepresentation
bin100000010001111010…
…1010100001000011001
320121221002001011020221
41000203311110020121
52113432041433020
651502342120041
75002554564052
oct1004365241031
9217832034227
1069320655385
1127442780443
1211527420021
1366c978aaa7
1434d86d7729
151c0ab6d6aa
hex1023d54219

69320655385 has 4 divisors (see below), whose sum is σ = 83184786468. Its totient is φ = 55456524304.

The previous prime is 69320655379. The next prime is 69320655401. The reversal of 69320655385 is 58355602396.

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 19318776064 + 50001879321 = 138992^2 + 223611^2 .

It is a cyclic number.

It is not a de Polignac number, because 69320655385 - 29 = 69320654873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6932065534 + ... + 6932065543.

It is an arithmetic number, because the mean of its divisors is an integer number (20796196617).

Almost surely, 269320655385 is an apocalyptic number.

It is an amenable number.

69320655385 is a deficient number, since it is larger than the sum of its proper divisors (13864131083).

69320655385 is a wasteful number, since it uses less digits than its factorization.

69320655385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13864131082.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 69320655385 in words is "sixty-nine billion, three hundred twenty million, six hundred fifty-five thousand, three hundred eighty-five".

Divisors: 1 5 13864131077 69320655385