Search a number
-
+
47182854451 = 192483308129
BaseRepresentation
bin101011111100010100…
…010011100100110011
311111210020212100102211
4223330110103210303
51233112302320301
633401524152551
73260143434265
oct537424234463
9144706770384
1047182854451
1119012544997
129189538757
1345ac21b6b5
1423d8525b35
1513623c0051
hexafc513933

47182854451 has 4 divisors (see below), whose sum is σ = 49666162600. Its totient is φ = 44699546304.

The previous prime is 47182854443. The next prime is 47182854457. The reversal of 47182854451 is 15445828174.

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

It is a cyclic number.

It is not a de Polignac number, because 47182854451 - 23 = 47182854443 is a prime.

It is a super-2 number, since 2×471828544512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47182854395 and 47182854404.

It is not an unprimeable number, because it can be changed into a prime (47182854457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241654046 + ... + 1241654083.

It is an arithmetic number, because the mean of its divisors is an integer number (12416540650).

Almost surely, 247182854451 is an apocalyptic number.

47182854451 is a deficient number, since it is larger than the sum of its proper divisors (2483308149).

47182854451 is a wasteful number, since it uses less digits than its factorization.

47182854451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483308148.

The product of its digits is 1433600, while the sum is 49.

The spelling of 47182854451 in words is "forty-seven billion, one hundred eighty-two million, eight hundred fifty-four thousand, four hundred fifty-one".

Divisors: 1 19 2483308129 47182854451