Search a number
-
+
5145343451 = 31165978821
BaseRepresentation
bin1001100101010111…
…11011010111011011
3111021120212112021222
410302223323113123
541014201442301
62210322322255
7241335461213
oct46253732733
914246775258
105145343451
112200459766
12bb71b938b
1363ccba131
1436b4d7243
15201ab631b
hex132afb5db

5145343451 has 4 divisors (see below), whose sum is σ = 5311322304. Its totient is φ = 4979364600.

The previous prime is 5145343439. The next prime is 5145343459. The reversal of 5145343451 is 1543435415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1543435415 = 5308687083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5145343451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145343459) 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, 82989380 + ... + 82989441.

It is an arithmetic number, because the mean of its divisors is an integer number (1327830576).

Almost surely, 25145343451 is an apocalyptic number.

5145343451 is a deficient number, since it is larger than the sum of its proper divisors (165978853).

5145343451 is a wasteful number, since it uses less digits than its factorization.

5145343451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165978852.

The product of its digits is 72000, while the sum is 35.

The square root of 5145343451 is about 71731.0494207355. The cubic root of 5145343451 is about 1726.3868649182.

Adding to 5145343451 its reverse (1543435415), we get a palindrome (6688778866).

The spelling of 5145343451 in words is "five billion, one hundred forty-five million, three hundred forty-three thousand, four hundred fifty-one".

Divisors: 1 31 165978821 5145343451