Search a number
-
+
168132299 = 173971863
BaseRepresentation
bin10100000010101…
…11111011001011
3102201101000011012
422001113323023
5321020213144
624403354135
74111046426
oct1201277313
9381330135
10168132299
11869a7315
124838294b
1328aaa18a
14184889bd
15eb61e9e
hexa057ecb

168132299 has 4 divisors (see below), whose sum is σ = 169104336. Its totient is φ = 167160264.

The previous prime is 168132269. The next prime is 168132347. The reversal of 168132299 is 992231861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992231861 = 2437407153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-168132299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168132229) 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, 485759 + ... + 486104.

It is an arithmetic number, because the mean of its divisors is an integer number (42276084).

Almost surely, 2168132299 is an apocalyptic number.

168132299 is a deficient number, since it is larger than the sum of its proper divisors (972037).

168132299 is an equidigital number, since it uses as much as digits as its factorization.

168132299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972036.

The product of its digits is 46656, while the sum is 41.

The square root of 168132299 is about 12966.5839371825. The cubic root of 168132299 is about 551.9296396964.

The spelling of 168132299 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, two hundred ninety-nine".

Divisors: 1 173 971863 168132299