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136010289 = 345336763
BaseRepresentation
bin10000001101101…
…01101000110001
3100110221001001010
420012311220301
5234304312124
621255101133
73241032312
oct1006655061
9313831033
10136010289
116a8575a8
12396717a9
132224137c
14140c6609
15be19529
hex81b5a31

136010289 has 4 divisors (see below), whose sum is σ = 181347056. Its totient is φ = 90673524.

The previous prime is 136010279. The next prime is 136010317. The reversal of 136010289 is 982010631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 136010289 - 25 = 136010257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136010209) 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, 22668379 + ... + 22668384.

It is an arithmetic number, because the mean of its divisors is an integer number (45336764).

Almost surely, 2136010289 is an apocalyptic number.

It is an amenable number.

136010289 is a deficient number, since it is larger than the sum of its proper divisors (45336767).

136010289 is an equidigital number, since it uses as much as digits as its factorization.

136010289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45336766.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 136010289 is about 11662.3449185831. The cubic root of 136010289 is about 514.2692863910.

The spelling of 136010289 in words is "one hundred thirty-six million, ten thousand, two hundred eighty-nine".

Divisors: 1 3 45336763 136010289