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115353291769 = 3396372
BaseRepresentation
bin110101101101110010…
…1111000101111111001
3102000202011120101010121
41223123211320233321
53342220420314034
6124554221213241
711222363542042
oct1533345705771
9360664511117
10115353291769
1144a14a20491
121a433701221
13ab545c5081
14582416b8c9
1530020881b4
hex1adb978bf9

115353291769 has 3 divisors (see below), whose sum is σ = 115353631407. Its totient is φ = 115352952132.

The previous prime is 115353291743. The next prime is 115353291773. The reversal of 115353291769 is 967192353511.

The square root of 115353291769 is 339637.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 94793173225 + 20560118544 = 307885^2 + 143388^2 .

It is not a de Polignac number, because 115353291769 - 229 = 114816420857 is a prime.

It is a super-2 number, since 2×1153532917692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115353294769) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 169819 + ... + 509455.

It is an arithmetic number, because the mean of its divisors is an integer number (38451210469).

Almost surely, 2115353291769 is an apocalyptic number.

115353291769 is the 339637-th square number.

115353291769 is the 169819-th centered octagonal number.

It is an amenable number.

115353291769 is a deficient number, since it is larger than the sum of its proper divisors (339638).

115353291769 is an frugal number, since it uses more digits than its factorization.

115353291769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679274 (or 339637 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 52.

The spelling of 115353291769 in words is "one hundred fifteen billion, three hundred fifty-three million, two hundred ninety-one thousand, seven hundred sixty-nine".

Divisors: 1 339637 115353291769