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69089230811 = 673491025839
BaseRepresentation
bin100000001011000001…
…0011111111111011011
320121022221120120102102
41000112002133333123
52112443320341221
651423353554015
74664044525616
oct1002602377733
9217287516372
1069089230811
1127334084767
1211481a1590b
136690850283
1434b5a9517d
151be56a830b
hex101609ffdb

69089230811 has 4 divisors (see below), whose sum is σ = 69090324000. Its totient is φ = 69088137624.

The previous prime is 69089230799. The next prime is 69089230813. The reversal of 69089230811 is 11803298096.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69089230811 - 218 = 69088968667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69089230813) 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, 445571 + ... + 580268.

It is an arithmetic number, because the mean of its divisors is an integer number (17272581000).

Almost surely, 269089230811 is an apocalyptic number.

69089230811 is a deficient number, since it is larger than the sum of its proper divisors (1093189).

69089230811 is a wasteful number, since it uses less digits than its factorization.

69089230811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093188.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 69089230811 in words is "sixty-nine billion, eighty-nine million, two hundred thirty thousand, eight hundred eleven".

Divisors: 1 67349 1025839 69089230811