Search a number
-
+
135856880182 = 267928440091
BaseRepresentation
bin111111010000110110…
…0110111101000110110
3110222200002200120211001
41332201230313220312
54211213330131212
6142224540233514
712546442266532
oct1764154675066
9428602616731
10135856880182
1152686737981
12223b623b89a
13ca714101ca
14680b2a0bc2
15380212a657
hex1fa1b37a36

135856880182 has 4 divisors (see below), whose sum is σ = 203785320276. Its totient is φ = 67928440090.

The previous prime is 135856880177. The next prime is 135856880189. The reversal of 135856880182 is 281088658531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 281088658531 = 354779246873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135856880189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33964220044 + ... + 33964220047.

It is an arithmetic number, because the mean of its divisors is an integer number (50946330069).

Almost surely, 2135856880182 is an apocalyptic number.

135856880182 is a deficient number, since it is larger than the sum of its proper divisors (67928440094).

135856880182 is an equidigital number, since it uses as much as digits as its factorization.

135856880182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67928440093.

The product of its (nonzero) digits is 3686400, while the sum is 55.

The spelling of 135856880182 in words is "one hundred thirty-five billion, eight hundred fifty-six million, eight hundred eighty thousand, one hundred eighty-two".

Divisors: 1 2 67928440091 135856880182