Search a number
-
+
5405123154 = 231947413361
BaseRepresentation
bin1010000100010101…
…11010001001010010
3111221200200201001110
411002022322021102
542032202420104
62252202314150
7250641534354
oct50212721122
914850621043
105405123154
112324062032
12106a1b8956
13681a75032
14393bdb0d4
152197cce89
hex1422ba252

5405123154 has 16 divisors (see below), whose sum is σ = 11379206880. Its totient is φ = 1706880960.

The previous prime is 5405123147. The next prime is 5405123161. The reversal of 5405123154 is 4513215045.

It is an interprime number because it is at equal distance from previous prime (5405123147) and next prime (5405123161).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23706567 + ... + 23706794.

It is an arithmetic number, because the mean of its divisors is an integer number (711200430).

Almost surely, 25405123154 is an apocalyptic number.

5405123154 is an abundant number, since it is smaller than the sum of its proper divisors (5974083726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5405123154 is a wasteful number, since it uses less digits than its factorization.

5405123154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47413385.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5405123154 is about 73519.5426672392. The cubic root of 5405123154 is about 1754.9652895303.

Adding to 5405123154 its reverse (4513215045), we get a palindrome (9918338199).

The spelling of 5405123154 in words is "five billion, four hundred five million, one hundred twenty-three thousand, one hundred fifty-four".

Divisors: 1 2 3 6 19 38 57 114 47413361 94826722 142240083 284480166 900853859 1801707718 2702561577 5405123154