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2271696688069 = 91731465316901
BaseRepresentation
bin100001000011101011101…
…011001001001111000101
322001011122110002122210221
4201003223223021033011
5244204413323004234
64455334131544341
7323060522151124
oct41035353111705
98034573078727
102271696688069
117a646a6149a6
1230832a75b0b1
131362b2687b13
147bd44a49abb
153e15a9aeeb4
hex210ebac93c5

2271696688069 has 8 divisors (see below), whose sum is σ = 2272233823992. Its totient is φ = 2271159633600.

The previous prime is 2271696688067. The next prime is 2271696688109. The reversal of 2271696688069 is 9608866961722.

It can be written as a sum of positive squares in 4 ways, for example, as 797293625569 + 1474403062500 = 892913^2 + 1214250^2 .

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 2271696688069 - 21 = 2271696688067 is a prime.

It is a super-2 number, since 2×22716966880692 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2271696687989 and 2271696688007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271696688067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134403519 + ... + 134420419.

It is an arithmetic number, because the mean of its divisors is an integer number (284029227999).

Almost surely, 22271696688069 is an apocalyptic number.

It is an amenable number.

2271696688069 is a deficient number, since it is larger than the sum of its proper divisors (537135923).

2271696688069 is a wasteful number, since it uses less digits than its factorization.

2271696688069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40727.

The product of its (nonzero) digits is 188116992, while the sum is 70.

The spelling of 2271696688069 in words is "two trillion, two hundred seventy-one billion, six hundred ninety-six million, six hundred eighty-eight thousand, sixty-nine".

Divisors: 1 9173 14653 16901 134411969 155032873 247650353 2271696688069