Search a number
-
+
136243051 = 725177543
BaseRepresentation
bin10000001111011…
…10011101101011
3100111100212022221
420013232131223
5234334234201
621304054511
73243022030
oct1007563553
9314325287
10136243051
116a9a646a
1239764437
13222c32b9
1414147387
15be634a1
hex81ee76b

136243051 has 8 divisors (see below), whose sum is σ = 156328704. Its totient is φ = 116313000.

The previous prime is 136243043. The next prime is 136243057. The reversal of 136243051 is 150342631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136243051 - 23 = 136243043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136243057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37015 + ... + 40528.

It is an arithmetic number, because the mean of its divisors is an integer number (19541088).

Almost surely, 2136243051 is an apocalyptic number.

136243051 is a deficient number, since it is larger than the sum of its proper divisors (20085653).

136243051 is an equidigital number, since it uses as much as digits as its factorization.

136243051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77801.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 136243051 is about 11672.3198636775. The cubic root of 136243051 is about 514.5624851113.

Adding to 136243051 its reverse (150342631), we get a palindrome (286585682).

The spelling of 136243051 in words is "one hundred thirty-six million, two hundred forty-three thousand, fifty-one".

Divisors: 1 7 251 1757 77543 542801 19463293 136243051