Search a number
-
+
36142313257 = 40190130457
BaseRepresentation
bin100001101010001111…
…111110111100101001
310110021211010202010201
4201222033332330221
51043004413011012
624334211112201
72416432410451
oct415217767451
9113254122121
1036142313257
1114367436986
127007ba2661
13353ca9b09b
141a6c100d61
15e17ec3857
hex86a3fef29

36142313257 has 4 divisors (see below), whose sum is σ = 36232444116. Its totient is φ = 36052182400.

The previous prime is 36142313239. The next prime is 36142313281. The reversal of 36142313257 is 75231324163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75231324163 = 193959543377.

It can be written as a sum of positive squares in 2 ways, for example, as 17598410281 + 18543902976 = 132659^2 + 136176^2 .

It is a cyclic number.

It is not a de Polignac number, because 36142313257 - 223 = 36133924649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36142313957) 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, 45064828 + ... + 45065629.

It is an arithmetic number, because the mean of its divisors is an integer number (9058111029).

Almost surely, 236142313257 is an apocalyptic number.

It is an amenable number.

36142313257 is a deficient number, since it is larger than the sum of its proper divisors (90130859).

36142313257 is an equidigital number, since it uses as much as digits as its factorization.

36142313257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90130858.

The product of its digits is 90720, while the sum is 37.

The spelling of 36142313257 in words is "thirty-six billion, one hundred forty-two million, three hundred thirteen thousand, two hundred fifty-seven".

Divisors: 1 401 90130457 36142313257