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136311275 = 5221125841
BaseRepresentation
bin10000001111111…
…11000111101011
3100111111022220202
420013333013223
5234343430100
621305342415
73243424652
oct1007770753
9314438822
10136311275
116aa42751
1239797a0b
1322318379
1414164199
15be787d5
hex81ff1eb

136311275 has 12 divisors (see below), whose sum is σ = 169833624. Its totient is φ = 108528000.

The previous prime is 136311257. The next prime is 136311277. The reversal of 136311275 is 572113631.

It is not a de Polignac number, because 136311275 - 26 = 136311211 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136311277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7646 + ... + 18195.

It is an arithmetic number, because the mean of its divisors is an integer number (14152802).

Almost surely, 2136311275 is an apocalyptic number.

136311275 is a deficient number, since it is larger than the sum of its proper divisors (33522349).

136311275 is a wasteful number, since it uses less digits than its factorization.

136311275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26062 (or 26057 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 136311275 is about 11675.2419675140. The cubic root of 136311275 is about 514.6483602016.

The spelling of 136311275 in words is "one hundred thirty-six million, three hundred eleven thousand, two hundred seventy-five".

Divisors: 1 5 25 211 1055 5275 25841 129205 646025 5452451 27262255 136311275