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113800400786 = 256900200393
BaseRepresentation
bin110100111111100001…
…0000100111110010010
3101212201221112100011202
41221333002010332102
53331030400311121
6124140145311202
711136036306062
oct1517702047622
9355657470152
10113800400786
11442983a5506
121a07b635502
13a967974877
145717c1b3a2
152e60a9240b
hex1a7f084f92

113800400786 has 4 divisors (see below), whose sum is σ = 170700601182. Its totient is φ = 56900200392.

The previous prime is 113800400783. The next prime is 113800400789. The reversal of 113800400786 is 687004008311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 687004008311 = 5335912875129.

It is an interprime number because it is at equal distance from previous prime (113800400783) and next prime (113800400789).

It can be written as a sum of positive squares in only one way, i.e., 91615787761 + 22184613025 = 302681^2 + 148945^2 .

It is not an unprimeable number, because it can be changed into a prime (113800400783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28450100195 + ... + 28450100198.

Almost surely, 2113800400786 is an apocalyptic number.

113800400786 is a deficient number, since it is larger than the sum of its proper divisors (56900200396).

113800400786 is an equidigital number, since it uses as much as digits as its factorization.

113800400786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56900200395.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 113800400786 in words is "one hundred thirteen billion, eight hundred million, four hundred thousand, seven hundred eighty-six".

Divisors: 1 2 56900200393 113800400786