Search a number
-
+
2145933298 = 21072966649
BaseRepresentation
bin111111111101000…
…0101011111110010
312112112221201002001
41333322011133302
513343324331143
6552534444214
7104115063205
oct17772053762
95475851061
102145933298
11a013614a3
124ba80366a
13282781222
1416500593c
15c85dc14d
hex7fe857f2

2145933298 has 4 divisors (see below), whose sum is σ = 3218899950. Its totient is φ = 1072966648.

The previous prime is 2145933287. The next prime is 2145933301. The reversal of 2145933298 is 8923395412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1317472209 + 828461089 = 36297^2 + 28783^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536483323 + ... + 536483326.

Almost surely, 22145933298 is an apocalyptic number.

2145933298 is a deficient number, since it is larger than the sum of its proper divisors (1072966652).

2145933298 is a wasteful number, since it uses less digits than its factorization.

2145933298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072966651.

The product of its digits is 466560, while the sum is 46.

The square root of 2145933298 is about 46324.2193458238. The cubic root of 2145933298 is about 1289.8486087186.

The spelling of 2145933298 in words is "two billion, one hundred forty-five million, nine hundred thirty-three thousand, two hundred ninety-eight".

Divisors: 1 2 1072966649 2145933298