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69838711373 = 107096521497
BaseRepresentation
bin100000100001010110…
…1100010101001001101
320200021011212010110202
41001002231202221031
52121012202230443
652030005543245
75021445152264
oct1010255425115
9220234763422
1069838711373
112768914a592
1211650a14b25
13677cbc54b2
14354742d5db
151c3b3a17b8
hex1042b62a4d

69838711373 has 4 divisors (see below), whose sum is σ = 69845243580. Its totient is φ = 69832179168.

The previous prime is 69838711361. The next prime is 69838711379. The reversal of 69838711373 is 37311783896.

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 47935599364 + 21903112009 = 218942^2 + 147997^2 .

It is a cyclic number.

It is not a de Polignac number, because 69838711373 - 24 = 69838711357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69838711379) 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, 3250040 + ... + 3271457.

It is an arithmetic number, because the mean of its divisors is an integer number (17461310895).

Almost surely, 269838711373 is an apocalyptic number.

It is an amenable number.

69838711373 is a deficient number, since it is larger than the sum of its proper divisors (6532207).

69838711373 is a wasteful number, since it uses less digits than its factorization.

69838711373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532206.

The product of its digits is 4572288, while the sum is 56.

The spelling of 69838711373 in words is "sixty-nine billion, eight hundred thirty-eight million, seven hundred eleven thousand, three hundred seventy-three".

Divisors: 1 10709 6521497 69838711373